Pith Number

pith:PAUKVWLI

pith:2018:PAUKVWLIWAVNI5IITBIA73KI4B

not attested not anchored not stored refs pending

Deuterium and $^{15}$N fractionation in N$_2$H$^+$ during the formation of a Sun-like star

A. L\'opez-Sepulcre, B. Lefloch, C. Ceccarelli, C. Codella, C. Vastel, E. Caux, F. Fontani, J. Soldateschi, M. De Simone, R. Bachiller

arxiv:1801.07539 v1 · 2018-01-23 · astro-ph.SR · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PAUKVWLIWAVNI5IITBIA73KI4B}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:22:22.965752Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7828aad968b02ad4750898500fed48e079188ff060c2334816c884400e967b7e

Aliases

arxiv: 1801.07539 · arxiv_version: 1801.07539v1 · doi: 10.48550/arxiv.1801.07539 · pith_short_12: PAUKVWLIWAVN · pith_short_16: PAUKVWLIWAVNI5II · pith_short_8: PAUKVWLI

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/PAUKVWLIWAVNI5IITBIA73KI4B \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 7828aad968b02ad4750898500fed48e079188ff060c2334816c884400e967b7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "336a9e35f62dd72ea903a53da9868f0e233b47e698e57686a7aefa85f6ccde86",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-01-23T13:56:58Z",
    "title_canon_sha256": "506e7b53851d5922a9405f97b8386e55675c5e236c1ba4b8148d1c6fe26fd78d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.07539",
    "kind": "arxiv",
    "version": 1
  }
}