Pith Number

pith:UYFIM7EF

pith:2012:UYFIM7EFTT7KRLGZTQO4PSFWEM

not attested not anchored not stored refs pending

The Arduous Journey to Black-Hole Formation in Potential Gamma-Ray Burst Progenitors

Christian D. Ott, Evan O'Connor, Luc Dessart

arxiv:1203.1926 v2 · 2012-03-08 · 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{UYFIM7EFTT7KRLGZTQO4PSFWEM}

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	2026-05-18T03:35:02.183781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a60a867c859cfea8acd99c1dc7c8b62325c057222021392870cc05ba89bd7dc1

Aliases

arxiv: 1203.1926 · arxiv_version: 1203.1926v2 · doi: 10.48550/arxiv.1203.1926 · pith_short_12: UYFIM7EFTT7K · pith_short_16: UYFIM7EFTT7KRLGZ · pith_short_8: UYFIM7EF

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/UYFIM7EFTT7KRLGZTQO4PSFWEM \
  | 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: a60a867c859cfea8acd99c1dc7c8b62325c057222021392870cc05ba89bd7dc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e481c3fb94517ddc4cb3b51d521e8e74c61501c5093ab9c79d5c79903a197c32",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-03-08T21:00:04Z",
    "title_canon_sha256": "21fb9c0eb9afc5d1f651b3202ece4d6f7f6e4c214b299e851cdaf11baadce6f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.1926",
    "kind": "arxiv",
    "version": 2
  }
}