Pith Number

pith:DH3KVSVE

pith:2012:DH3KVSVEMCEJPIICOVV3RKJY24

not attested not anchored not stored refs pending

Observational Manifestations of the First Protogalaxies in the 21 cm Line

E.O. Vasiliev, Yu.A. Shchekinov

arxiv:1207.5109 v1 · 2012-07-21 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DH3KVSVEMCEJPIICOVV3RKJY24}

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	2026-05-18T03:50:24.558961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19f6aacaa4608897a102756bb8a938d727312000ee8b55a3a87a93e8dad2a2e2

Aliases

arxiv: 1207.5109 · arxiv_version: 1207.5109v1 · doi: 10.48550/arxiv.1207.5109 · pith_short_12: DH3KVSVEMCEJ · pith_short_16: DH3KVSVEMCEJPIIC · pith_short_8: DH3KVSVE

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/DH3KVSVEMCEJPIICOVV3RKJY24 \
  | 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: 19f6aacaa4608897a102756bb8a938d727312000ee8b55a3a87a93e8dad2a2e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68719d23ea0eaa42eff2ba6184cd81b1bf3b986dd283e847b22733e8de1ecc01",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-07-21T07:49:23Z",
    "title_canon_sha256": "ba6cb8dac7dc7df2833c1372e7315b5c412fe5c51df024b09e74ad03f82f4f06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.5109",
    "kind": "arxiv",
    "version": 1
  }
}