Pith Number

pith:GTFIR7CO

pith:2012:GTFIR7COV7O63VNQYCVBCPBP7U

not attested not anchored not stored refs pending

ADS Labs - Supporting Information Discovery in Science Education

Donna Thompson, Edwin A. Henneken

arxiv:1210.0840 v1 · 2012-10-02 · astro-ph.IM · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GTFIR7COV7O63VNQYCVBCPBP7U}

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	2026-05-18T03:44:14.137772Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34ca88fc4eafddedd5b0c0aa113c2ffd0545d85a5c6126395485ca10c565cec5

Aliases

arxiv: 1210.0840 · arxiv_version: 1210.0840v1 · doi: 10.48550/arxiv.1210.0840 · pith_short_12: GTFIR7COV7O6 · pith_short_16: GTFIR7COV7O63VNQ · pith_short_8: GTFIR7CO

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/GTFIR7COV7O63VNQYCVBCPBP7U \
  | 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: 34ca88fc4eafddedd5b0c0aa113c2ffd0545d85a5c6126395485ca10c565cec5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1e4306b502d67e310af707475817c829cc5300146c116f5d98c0235233badd1",
    "cross_cats_sorted": [
      "cs.DL"
    ],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-10-02T16:51:35Z",
    "title_canon_sha256": "dedf98914f3a95c3b62bab406938a4fd51ba8f6238919feff35b8cf9d6d4106c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.0840",
    "kind": "arxiv",
    "version": 1
  }
}