Pith Number

pith:O3H3QQZ5

pith:2019:O3H3QQZ5RP5LSG3ESNWQHT6L6S

not attested not anchored not stored refs pending

ALMA FITS header keywords: a study from the archive User perspective

Andrea Giannetti, Anita Richards, Elisabetta Liuzzo, Felix Stoehr, Jan Brand, Kazi L. J. Rygl, Marcella Massardi, Mark Lacy, Matteo Bonato, Sandra Burkutean

arxiv:1902.01183 v1 · 2019-02-04 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O3H3QQZ5RP5LSG3ESNWQHT6L6S}

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	2026-05-17T23:54:49.494183Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76cfb8433d8bfab91b64936d03cfcbf4ad44527d50c9e648a04711de0644cff2

Aliases

arxiv: 1902.01183 · arxiv_version: 1902.01183v1 · doi: 10.48550/arxiv.1902.01183 · pith_short_12: O3H3QQZ5RP5L · pith_short_16: O3H3QQZ5RP5LSG3E · pith_short_8: O3H3QQZ5

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/O3H3QQZ5RP5LSG3ESNWQHT6L6S \
  | 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: 76cfb8433d8bfab91b64936d03cfcbf4ad44527d50c9e648a04711de0644cff2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92376c6cf9e5aeb2ba04114a3403ccc7d8d75013677cde338d6e8a400adfb9e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-02-04T13:51:18Z",
    "title_canon_sha256": "c008453fb5534b2e654302238154436f72a07fe7481f2173c602a585ffda657f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01183",
    "kind": "arxiv",
    "version": 1
  }
}