Pith Number

pith:NICM75ZQ

pith:2011:NICM75ZQE2PPQZJVVMICFAQLHK

not attested not anchored not stored refs pending

Internal shock model for the X-ray flares of Swift J1644+57

F. Y. Wang, K. S. Cheng

arxiv:1112.4038 v1 · 2011-12-17 · 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{NICM75ZQE2PPQZJVVMICFAQLHK}

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	2026-05-18T01:59:06.314677Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a04cff730269ef86535ab1022820b3a879c39086138a920dc67d339a349ec1f

Aliases

arxiv: 1112.4038 · arxiv_version: 1112.4038v1 · doi: 10.48550/arxiv.1112.4038 · pith_short_12: NICM75ZQE2PP · pith_short_16: NICM75ZQE2PPQZJV · pith_short_8: NICM75ZQ

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/NICM75ZQE2PPQZJVVMICFAQLHK \
  | 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: 6a04cff730269ef86535ab1022820b3a879c39086138a920dc67d339a349ec1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6497bde5c2fff458ba880cd9a08fa94ac7b63b9c02a8520eb10bc074e1211e9f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-12-17T09:01:20Z",
    "title_canon_sha256": "ddf55c87580c8af516aa96e9b8b7c1a381fe0fd58106178363a7d4cfd5683c4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.4038",
    "kind": "arxiv",
    "version": 1
  }
}