Pith Number

pith:IGFYGBRT

pith:2013:IGFYGBRT4YDBI2STP7JP3RJKGZ

not attested not anchored not stored refs pending

Signatures of particle decay in 21 cm absorptions from first minihalos

E.O. Vasiliev, Yu.A. Shchekinov

arxiv:1308.2169 v1 · 2013-08-09 · astro-ph.CO · 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{IGFYGBRT4YDBI2STP7JP3RJKGZ}

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	2026-05-18T01:48:21.655782Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

418b830633e606146a537fd2fdc52a36417f1c4bdb970a133b9d713fdc4a1d06

Aliases

arxiv: 1308.2169 · arxiv_version: 1308.2169v1 · doi: 10.48550/arxiv.1308.2169 · pith_short_12: IGFYGBRT4YDB · pith_short_16: IGFYGBRT4YDBI2ST · pith_short_8: IGFYGBRT

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/IGFYGBRT4YDBI2STP7JP3RJKGZ \
  | 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: 418b830633e606146a537fd2fdc52a36417f1c4bdb970a133b9d713fdc4a1d06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5ea3e3977c79f4a4de808bb64f4b6612058aafa6c682ca219ce0e6d307a4234",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-08-09T16:14:24Z",
    "title_canon_sha256": "362925677ff8eac79392b4fe1257456f50418974e5ae19df12107c21a20a0fbc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.2169",
    "kind": "arxiv",
    "version": 1
  }
}