Pith Number

pith:MT5SMNWQ

pith:2012:MT5SMNWQUG54LPNAO7PMP4TN2A

not attested not anchored not stored refs pending

The ultra-long Gamma-Ray Burst 111209A: the collapse of a blue supergiant?

(10) University of Western Australia, (11) IAPS/INAF), 2), (2) Observatory of Rome/INAF, (3) University of Toulouse, 4, (4) Observatoire Midi Pyr\'en\'ee, 5, 5), (5) IRAP/CNRS, (6) University of Aix-Marseille, 7), (7) LAM/CNRS, (8) Artemis/CNRS, 9), 9) L. Piro (11) ((1) ASDC/INAF, (9) Observatory of Haute Provence/CNRS, A. Klotz (3, B. Gendre (1, D. M. Coward (10), E. Howell (10), G. Stratta (2), J.L. Atteia (3, M. Bo\"er (8, S. Basa (6, S. Cutini (1, V. D'Elia (1

arxiv:1212.2392 v2 · 2012-12-11 · astro-ph.HE

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

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	2026-05-18T03:31:44.627750Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64fb2636d0a1bbc5bda077dec7f26dd02ae0aa75cd34496c7cd9705589fe55f6

Aliases

arxiv: 1212.2392 · arxiv_version: 1212.2392v2 · doi: 10.48550/arxiv.1212.2392 · pith_short_12: MT5SMNWQUG54 · pith_short_16: MT5SMNWQUG54LPNA · pith_short_8: MT5SMNWQ

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/MT5SMNWQUG54LPNAO7PMP4TN2A \
  | 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: 64fb2636d0a1bbc5bda077dec7f26dd02ae0aa75cd34496c7cd9705589fe55f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0783012b61fb1781d04641bcd2065452ab5e20aa25855ee9f731159d0b1bed2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-12-11T11:51:51Z",
    "title_canon_sha256": "22775c1a325971c8ea31586bd6fee3aba63536d9159e8a5f11a0ca1d2fb11150"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.2392",
    "kind": "arxiv",
    "version": 2
  }
}