Pith Number

pith:BASKEYDM

pith:2011:BASKEYDMPALCX2GYW6P7465TNI

not attested not anchored not stored refs pending

Gamma-ray Activity in the Crab Nebula: The Exceptional Flare of April 2011

A. Belfiore, A. F. Tennant, A. K. Harding, C. D. Dermer, E. Charles, E. Hays, F. D'Ammando, F. Massaro, J. Chiang, J. D. Scargle, J. E. Grove, L. Baldini, M. C. Weisskopf, M. G. Baring, M. Kerr, M. N. Mazziotta, P. M. Saz Parkinson, R. Buehler, R. D. Blandford, R. W. Romani, S. Funk

arxiv:1112.1979 v2 · 2011-12-08 · 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{BASKEYDMPALCX2GYW6P7465TNI}

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	2026-05-18T01:59:14.731540Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0824a2606c78162be8d8b79ffe7bb36a086c48cbbc326bab048c207541f5f882

Aliases

arxiv: 1112.1979 · arxiv_version: 1112.1979v2 · doi: 10.48550/arxiv.1112.1979 · pith_short_12: BASKEYDMPALC · pith_short_16: BASKEYDMPALCX2GY · pith_short_8: BASKEYDM

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/BASKEYDMPALCX2GYW6P7465TNI \
  | 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: 0824a2606c78162be8d8b79ffe7bb36a086c48cbbc326bab048c207541f5f882

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e2d44a58a60f95bf6b5e38feb655a01bde654107c090d2a32406d1c244ad001",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-12-08T22:48:37Z",
    "title_canon_sha256": "ab5fb4a88fed9ccf0b259ab35e3738679d657f1b885ad3b441f1e5ddebba0ed1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.1979",
    "kind": "arxiv",
    "version": 2
  }
}