Pith Number

pith:7K3WH6QL

pith:2011:7K3WH6QLW67UJGJK7ZNCTVJZWI

not attested not anchored not stored refs pending

Evidence for a proto-black hole and a double astrophysical component in GRB 101023

A. V. Penacchioni, B. Patricelli, C. L. Bianco, L. Amati, L. Caito, L. Izzo, M. Muccino, R. Ruffini

arxiv:1112.2970 v2 · 2011-12-13 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7K3WH6QLW67UJGJK7ZNCTVJZWI}

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	2026-05-18T04:03:20.857361Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fab763fa0bb7bf44992afe5a29d539b23118ab1f18ab19ef30a7be69fd199a1f

Aliases

arxiv: 1112.2970 · arxiv_version: 1112.2970v2 · doi: 10.48550/arxiv.1112.2970 · pith_short_12: 7K3WH6QLW67U · pith_short_16: 7K3WH6QLW67UJGJK · pith_short_8: 7K3WH6QL

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/7K3WH6QLW67UJGJK7ZNCTVJZWI \
  | 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: fab763fa0bb7bf44992afe5a29d539b23118ab1f18ab19ef30a7be69fd199a1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1dbdaa1b0121bf7c7ebaae86b8d15428bce43fcdf1f413d0d532565779fbee0",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-12-13T17:26:47Z",
    "title_canon_sha256": "5d724765d5faefb6996b2f94db57c4a5f1e6bb1b263d6d93c6cc7c9c1e5f4628"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.2970",
    "kind": "arxiv",
    "version": 2
  }
}