Pith Number

pith:7HQ7FSDR

pith:2013:7HQ7FSDRTF2ZJOO763RCYWIRQX

not attested not anchored not stored refs pending

Warm gas in the rotating disk of the Red Rectangle: accurate models of molecular line emission

J. Alcolea, V. Bujarrabal

arxiv:1303.2841 v1 · 2013-03-12 · 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{7HQ7FSDRTF2ZJOO763RCYWIRQX}

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	2026-05-18T01:51:08.312062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9e1f2c871997594b9dff6e22c591185c18d7516c257d7131f06e99fa201a5d2

Aliases

arxiv: 1303.2841 · arxiv_version: 1303.2841v1 · doi: 10.48550/arxiv.1303.2841 · pith_short_12: 7HQ7FSDRTF2Z · pith_short_16: 7HQ7FSDRTF2ZJOO7 · pith_short_8: 7HQ7FSDR

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/7HQ7FSDRTF2ZJOO763RCYWIRQX \
  | 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: f9e1f2c871997594b9dff6e22c591185c18d7516c257d7131f06e99fa201a5d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d5fc224a3be32565133105b668140aec74b6b44a2bff28088a7f11fe60b00da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-03-12T11:15:11Z",
    "title_canon_sha256": "619ec556993714d8826a2d2963003e86ac59f9716b00b0a23f772d85ac63bbd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.2841",
    "kind": "arxiv",
    "version": 1
  }
}