Pith Number

pith:DNIQE7MP

pith:2000:DNIQE7MPPYB5ZHM5BTLJBDQJIC

not attested not anchored not stored refs pending

2MASS Extended Source Catalog: Overview and Algorithms

J.P. Huchra, M. Skrutskie, R. Cutri, S. Schneider, T. Chester, T.H. Jarrett

arxiv:astro-ph/0004318 v1 · 2000-04-21 · 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{DNIQE7MPPYB5ZHM5BTLJBDQJIC}

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.

Cited by

1 paper in Pith

Resolved HI and Environmental Dynamics

Receipt and verification

First computed	2026-07-04T16:16:20.491745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b51027d8f7e03dc9d9d0cd6908e0940bf299c360c559bcc64f581684e5a61d9

Aliases

arxiv: astro-ph/0004318 · arxiv_version: astro-ph/0004318v1 · doi: 10.48550/arxiv.astro-ph/0004318 · pith_short_12: DNIQE7MPPYB5 · pith_short_16: DNIQE7MPPYB5ZHM5 · pith_short_8: DNIQE7MP

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/DNIQE7MPPYB5ZHM5BTLJBDQJIC \
  | 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: 1b51027d8f7e03dc9d9d0cd6908e0940bf299c360c559bcc64f581684e5a61d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e176bede6029cba58df4a57b4de0eb6f50615e5f082ed934382b5f6448fa592",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-04-21T21:50:37Z",
    "title_canon_sha256": "a609c761bba8c8d6ffcb9851b9ea1cf4e80ff35cfa92d8d1203ca8b6d1564f12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0004318",
    "kind": "arxiv",
    "version": 1
  }
}