Pith Number

pith:S5ETDZ3U

pith:1997:S5ETDZ3UGWLSFLKYXHQSD54Z6B

not attested not anchored not stored refs pending

Dense gas in nearby galaxies XI. Interstellar 12C/13C ratios in the central regions of M82 and IC342

C. Henkel, J.B. Whiteoak, R. Mauersberger, Y.-N. Chin

arxiv:astro-ph/9710254 v1 · 1997-10-23 · 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{S5ETDZ3UGWLSFLKYXHQSD54Z6B}

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	2026-05-18T04:21:40.319111Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

974931e774359722ad58b9e121f799f0467caa5befbdb901a7234eee1b2dd34d

Aliases

arxiv: astro-ph/9710254 · arxiv_version: astro-ph/9710254v1 · doi: 10.48550/arxiv.astro-ph/9710254 · pith_short_12: S5ETDZ3UGWLS · pith_short_16: S5ETDZ3UGWLSFLKY · pith_short_8: S5ETDZ3U

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/S5ETDZ3UGWLSFLKYXHQSD54Z6B \
  | 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: 974931e774359722ad58b9e121f799f0467caa5befbdb901a7234eee1b2dd34d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62a1e630324120cb0e265943f9fba1e48d671b3bee8aaa953e002f48a10124ac",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-10-23T08:01:44Z",
    "title_canon_sha256": "81aa25f9bf59eb3203eb318b28e292d3dde27a96cb5aa88003c2196ff8ce366a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9710254",
    "kind": "arxiv",
    "version": 1
  }
}