Pith Number

pith:OKXLIKDI

pith:2014:OKXLIKDIL7GMF53L63QXXXLTZU

not attested not anchored not stored refs pending

Formation History of Polycyclic Aromatic Hydrocarbons in Galaxies

Hiroyuki Hirashita, Ji Yeon Seok, Ryosuke S. Asano

arxiv:1401.3943 v1 · 2014-01-16 · 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{OKXLIKDIL7GMF53L63QXXXLTZU}

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	2026-05-18T01:45:24.993958Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72aeb428685fccc2f76bf6e17bdd73cd0bd8f0516ea871bde1dda31705481766

Aliases

arxiv: 1401.3943 · arxiv_version: 1401.3943v1 · doi: 10.48550/arxiv.1401.3943 · pith_short_12: OKXLIKDIL7GM · pith_short_16: OKXLIKDIL7GMF53L · pith_short_8: OKXLIKDI

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/OKXLIKDIL7GMF53L63QXXXLTZU \
  | 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: 72aeb428685fccc2f76bf6e17bdd73cd0bd8f0516ea871bde1dda31705481766

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "895a2953a46ea271aa17eae1738fefe2458bf50c8d054b1da7be730b2e523e75",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-01-16T09:11:05Z",
    "title_canon_sha256": "d0b689607d1c14bcbdb3c9e3cca982d399315f450cc1386ab7e37e6620b9951d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.3943",
    "kind": "arxiv",
    "version": 1
  }
}