Pith Number

pith:KPRP3R7Z

pith:1997:KPRP3R7ZGVLA4EVZZLBDKMOEIP

not attested not anchored not stored refs pending

12CO J=1-0 Observations of Individual Giant Molecular Clouds in M81

C.D. Wilson, C.L. Taylor

arxiv:astro-ph/9709118 v1 · 1997-09-12 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KPRP3R7ZGVLA4EVZZLBDKMOEIP}

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	2026-05-18T01:07:38.112569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53e2fdc7f935560e12b9cac23531c443ff4b06d9876d6047c8e5ce2f90616ffd

Aliases

arxiv: astro-ph/9709118 · arxiv_version: astro-ph/9709118v1 · doi: 10.48550/arxiv.astro-ph/9709118 · pith_short_12: KPRP3R7ZGVLA · pith_short_16: KPRP3R7ZGVLA4EVZ · pith_short_8: KPRP3R7Z

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/KPRP3R7ZGVLA4EVZZLBDKMOEIP \
  | 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: 53e2fdc7f935560e12b9cac23531c443ff4b06d9876d6047c8e5ce2f90616ffd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7187fc4316592a11425aa0e9a889207f02c485d27585539a96501b321eaa1f12",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-09-12T14:04:57Z",
    "title_canon_sha256": "549d562e1658537726aa63ba9737366494c86704269ff0a7108d3c33db6007f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9709118",
    "kind": "arxiv",
    "version": 1
  }
}