Pith Number

pith:AGMHQYPN

pith:2015:AGMHQYPNOQKMOJ2HGHOO3JBHAB

not attested not anchored not stored refs pending

The Nature of Faint Blue Stars in the PHL and Ton Catalogues based on Digital Sky Surveys

(2) Universidad Autonoma de Yucatan, (3) Instituto Tecnologico Superior de Centla, F. Romero Sauri (2), Guanajuato, H. Andernach (1), I. del C. Santiago-Bautista (1) ((1) Departamento de Astronomia, Merida, Mexico, Mexico), Tabasco, Univ. Guanajuato, W. Copo Cordova W. (3)

arxiv:1504.07471 v1 · 2015-04-28 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AGMHQYPNOQKMOJ2HGHOO3JBHAB}

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

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	2026-05-18T01:11:51.695959Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01987861ed7414c7274731dceda427006aa07f0dd767f4e9a6740f9ec8067dc1

Aliases

arxiv: 1504.07471 · arxiv_version: 1504.07471v1 · doi: 10.48550/arxiv.1504.07471 · pith_short_12: AGMHQYPNOQKM · pith_short_16: AGMHQYPNOQKMOJ2H · pith_short_8: AGMHQYPN

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/AGMHQYPNOQKMOJ2HGHOO3JBHAB \
  | 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: 01987861ed7414c7274731dceda427006aa07f0dd767f4e9a6740f9ec8067dc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd069c4e37a0e2c2adc50f17db444f23c5fc526ddee3e511f31315a76990e454",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-04-28T13:42:19Z",
    "title_canon_sha256": "50c91de21fdacb5b694c6fb32763e059b0a4e83287d0b1e2a9d4cdd6ca41e24c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.07471",
    "kind": "arxiv",
    "version": 1
  }
}