Pith Number

pith:O3OALSFP

pith:2011:O3OALSFPW24BOYCUORC6J4DL43

not attested not anchored not stored refs pending

H2 Temperatures in the Crab Nebula

A. C. Fabian, C. T. Richardson, E. D. Loh, G. J. Ferland, J. A. Baldwin, P. Salom\'e, Z. K. Curtis

arxiv:1112.1568 v1 · 2011-12-07 · 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{O3OALSFPW24BOYCUORC6J4DL43}

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	2026-05-18T01:59:15.765304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76dc05c8afb6b81760547445e4f06be6f5f9174442bc40690b1748faadcec9f1

Aliases

arxiv: 1112.1568 · arxiv_version: 1112.1568v1 · doi: 10.48550/arxiv.1112.1568 · pith_short_12: O3OALSFPW24B · pith_short_16: O3OALSFPW24BOYCU · pith_short_8: O3OALSFP

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/O3OALSFPW24BOYCUORC6J4DL43 \
  | 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: 76dc05c8afb6b81760547445e4f06be6f5f9174442bc40690b1748faadcec9f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58d65b29fa7875e0351d6673188b03d20ddfe52ba342246670e1cc63b65306ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-12-07T14:04:12Z",
    "title_canon_sha256": "c4c7c5c2a9ffbca147364633bbf3d5ad241fde33d6b2c1b997696a11257d004d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.1568",
    "kind": "arxiv",
    "version": 1
  }
}