Pith Number

pith:ERQUA5ZR

pith:2007:ERQUA5ZRVDNARNVSJ2HUXEPQA6

not attested not anchored not stored refs pending

A re-visit of the phase-resolved X-ray and \gamma-ray spectra of the Crab pulsar

Anisia P.S. Tang, J.J. Jia, J. Takata, K.S. Cheng

arxiv:0711.2719 v1 · 2007-11-17 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ERQUA5ZRVDNARNVSJ2HUXEPQA6}

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	2026-05-18T04:36:41.745418Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2461407731a8da08b6b24e8f4b91f0078c562a085509b28c9d280b5f5816d729

Aliases

arxiv: 0711.2719 · arxiv_version: 0711.2719v1 · doi: 10.48550/arxiv.0711.2719 · pith_short_12: ERQUA5ZRVDNA · pith_short_16: ERQUA5ZRVDNARNVS · pith_short_8: ERQUA5ZR

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/ERQUA5ZRVDNARNVSJ2HUXEPQA6 \
  | 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: 2461407731a8da08b6b24e8f4b91f0078c562a085509b28c9d280b5f5816d729

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "819c2ca63fd970c3baa48936b5d0e8f44716198f174c146be0fd9cd77d2226d6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-11-17T05:51:38Z",
    "title_canon_sha256": "5c895a74029195000c215b248bfd4fdede33dde4115f2aff490c56f0a374a8c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0711.2719",
    "kind": "arxiv",
    "version": 1
  }
}