Pith Number

pith:USQAX2ND

pith:2014:USQAX2NDXN367P5I5RQ7VS5LP7

not attested not anchored not stored refs pending

The Past, Present and Future of Astronomical Data Formats

Arnold Rots, Brian Thomas, Jessica Mink, Robert G. Mann, Robert Hanisch, Rob Seaman, Tim Jenness, William O'Mullane

arxiv:1411.0996 v1 · 2014-11-04 · 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{USQAX2NDXN367P5I5RQ7VS5LP7}

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	2026-05-18T02:38:37.761577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4a00be9a3bb77efbfa8ec61facbab7fe29346aaa096468f7587b469fb58db72

Aliases

arxiv: 1411.0996 · arxiv_version: 1411.0996v1 · doi: 10.48550/arxiv.1411.0996 · pith_short_12: USQAX2NDXN36 · pith_short_16: USQAX2NDXN367P5I · pith_short_8: USQAX2ND

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/USQAX2NDXN367P5I5RQ7VS5LP7 \
  | 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: a4a00be9a3bb77efbfa8ec61facbab7fe29346aaa096468f7587b469fb58db72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2082c4e7e12c2794ceda2ef9f7c25fb9e80a587d393671dffaf8bb3eaeaf1450",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-11-04T18:43:14Z",
    "title_canon_sha256": "bbc8f8e2c471f0de28cca2e5fbb851fe90acf5819d16b8331460874f1c67e13b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.0996",
    "kind": "arxiv",
    "version": 1
  }
}