Pith Number

pith:RAYCBTMQ

pith:2020:RAYCBTMQYOG6OEXJ76VCILGDAB

not attested not anchored not stored refs pending

An explanation about the flat radio spectrum for Mrk 421

Rui Xue, Ze-Rui Wang

arxiv:2011.06439 v1 · 2020-11-12 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RAYCBTMQYOG6OEXJ76VCILGDAB}

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	2026-07-05T02:44:52.041560Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

883020cd90c38de712e9ffaa242cc30045a0e485e2aa1a3c926dcb493d38f676

Aliases

arxiv: 2011.06439 · arxiv_version: 2011.06439v1 · doi: 10.48550/arxiv.2011.06439 · pith_short_12: RAYCBTMQYOG6 · pith_short_16: RAYCBTMQYOG6OEXJ · pith_short_8: RAYCBTMQ

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/RAYCBTMQYOG6OEXJ76VCILGDAB \
  | 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: 883020cd90c38de712e9ffaa242cc30045a0e485e2aa1a3c926dcb493d38f676

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c500f6f9a83f03fa2f92bfe4a1b265227bf5dea8e25fb5b003698a788bb873ab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-11-12T15:15:35Z",
    "title_canon_sha256": "a7fd26e1302aca791b72fc87ec8c355271f4c3cac529e43d841be777ec832fa2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.06439",
    "kind": "arxiv",
    "version": 1
  }
}