Pith Number

pith:UFFQWF3Z

pith:2012:UFFQWF3ZQIC5KD2TS7MBV3BGPE

not attested not anchored not stored refs pending

\gamma-rays from starburst galaxies

Stefan Ohm

arxiv:1210.6888 v1 · 2012-10-25 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UFFQWF3ZQIC5KD2TS7MBV3BGPE}

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	2026-05-18T01:53:37.605343Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a14b0b17798205d50f5397d81aec267900e7607f7d4a65605b700c7b25184dab

Aliases

arxiv: 1210.6888 · arxiv_version: 1210.6888v1 · doi: 10.48550/arxiv.1210.6888 · pith_short_12: UFFQWF3ZQIC5 · pith_short_16: UFFQWF3ZQIC5KD2T · pith_short_8: UFFQWF3Z

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/UFFQWF3ZQIC5KD2TS7MBV3BGPE \
  | 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: a14b0b17798205d50f5397d81aec267900e7607f7d4a65605b700c7b25184dab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06b3b6480d8d812ba995cca611cc88bf970e33b49cdd22cf9fd42fbc6364f046",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-10-25T16:09:32Z",
    "title_canon_sha256": "730d81a6acbf470e8447e0dda627f927ee0b083ef30947c410087886e7a1bf35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.6888",
    "kind": "arxiv",
    "version": 1
  }
}