Pith Number

pith:6ILAJSD5

pith:2020:6ILAJSD5IRNFV5XO26O2KJHFL7

not attested not anchored not stored refs pending

Polycyclic aromatic hydrocarbon excitation in nearby spiral galaxies

A. Zijlstra, G. J. Bendo, N. Lu

arxiv:2006.04561 v1 · 2020-06-08 · 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{6ILAJSD5IRNFV5XO26O2KJHFL7}

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	2026-07-05T01:08:40.391477Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f21604c87d445a5af6eed79da524e55ff263a26f321ba4b84cd69e1f0eb9a63d

Aliases

arxiv: 2006.04561 · arxiv_version: 2006.04561v1 · doi: 10.48550/arxiv.2006.04561 · pith_short_12: 6ILAJSD5IRNF · pith_short_16: 6ILAJSD5IRNFV5XO · pith_short_8: 6ILAJSD5

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/6ILAJSD5IRNFV5XO26O2KJHFL7 \
  | 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: f21604c87d445a5af6eed79da524e55ff263a26f321ba4b84cd69e1f0eb9a63d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6decbc21a18d9ddb7e201b14330457e4324138d9ffa248ce35bfdf6d7ba836cc",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-06-08T13:08:22Z",
    "title_canon_sha256": "8b117dccea6cafc944092a2ef320fe91b0b2068663c0db9840257595c8ce7892"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.04561",
    "kind": "arxiv",
    "version": 1
  }
}