Pith Number

pith:NWNUYKWH

pith:2012:NWNUYKWHV7DDKXYMSPVDBOJNW7

not attested not anchored not stored refs pending

Kinematics and Excitation of the Molecular Hydrogen Accretion Disc in NGC 1275

J. Scharwaechter, M. A. Dopita, P. J. McGregor, T. L. Beck

arxiv:1211.6750 v1 · 2012-11-28 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NWNUYKWHV7DDKXYMSPVDBOJNW7}

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	2026-05-18T01:52:53.582508Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d9b4c2ac7afc6355f0c93ea30b92db7f5ada06fe7fd5c37b5f1f46e279ee30d

Aliases

arxiv: 1211.6750 · arxiv_version: 1211.6750v1 · doi: 10.48550/arxiv.1211.6750 · pith_short_12: NWNUYKWHV7DD · pith_short_16: NWNUYKWHV7DDKXYM · pith_short_8: NWNUYKWH

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/NWNUYKWHV7DDKXYMSPVDBOJNW7 \
  | 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: 6d9b4c2ac7afc6355f0c93ea30b92db7f5ada06fe7fd5c37b5f1f46e279ee30d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffe31aa0e05c4ce045f5d271c6b4d712cb82db487b78c6467c62ff1f12dd6499",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-11-28T21:00:52Z",
    "title_canon_sha256": "6f8f4dde70863833e5350cdd6d2826758d8108950b9c42c50f44603e8f61cd68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.6750",
    "kind": "arxiv",
    "version": 1
  }
}