Pith Number

pith:EZ3M7JFB

pith:2012:EZ3M7JFBGADV6CPUZUQWUZEHV5

not attested not anchored not stored refs pending

Chandra, Keck and VLA Observations of the Crab Nebula during the 2011-April Gamma-ray Flare

Allyn F. Tennant, Andrea De Luca, Andrei Lobanov, Carlo Ferrigno, C. C. Teddy Cheung, Claire Max, Dieter Horns, Edoardo Striani, Enrico Costa, Gregory B. Taylor, Hai Fu, Justin D. Linford, Marco Tavani, Martin C. Weisskopf, Moritz Habermehl, Patrizia Caraveo, Roberto Mignani, Roger Blandford, Roger W. Romani, Rolf Buehler, Stefan Funk, Stephen L. O'Dell, Yajie Yuan, Yasunobu Uchiyama

arxiv:1211.3997 v3 · 2012-11-16 · 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{EZ3M7JFBGADV6CPUZUQWUZEHV5}

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	2026-05-18T01:53:10.217716Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2676cfa4a130075f09f4cd216a6487af65601d2f02476f44aecf729621e96834

Aliases

arxiv: 1211.3997 · arxiv_version: 1211.3997v3 · doi: 10.48550/arxiv.1211.3997 · pith_short_12: EZ3M7JFBGADV · pith_short_16: EZ3M7JFBGADV6CPU · pith_short_8: EZ3M7JFB

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/EZ3M7JFBGADV6CPUZUQWUZEHV5 \
  | 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: 2676cfa4a130075f09f4cd216a6487af65601d2f02476f44aecf729621e96834

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40793918b154a6a05a9078c1ad8112645089f826c25678e58ec8922c09e3acc3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-11-16T19:22:13Z",
    "title_canon_sha256": "c4cae5364b347e65dd05ae67312e7f2f1ca57ee7402b65a2618ec3cfb68ba5df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.3997",
    "kind": "arxiv",
    "version": 3
  }
}