Pith Number

pith:VQH6U3QU

pith:1999:VQH6U3QUNA5TYSWTVCDOBMDPZC

not attested not anchored not stored refs pending

COMPTEL detection of pulsed gamma-ray emission from B1509-58 up to at least 10 MeV

A. Carraminana, J. M. Krijger, K. Bennett, L. Kuiper, M. Bailes, R. N. Manchester, V. Schoenfelder, W. Hermsen

arxiv:astro-ph/9903474 v1 · 1999-03-31 · 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{VQH6U3QUNA5TYSWTVCDOBMDPZC}

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	2026-07-04T14:16:38.710068Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac0fea6e14683b3c4ad3a886e0b06fc8bdf4e6e98fe547ca68e3f48514d7ef77

Aliases

arxiv: astro-ph/9903474 · arxiv_version: astro-ph/9903474v1 · doi: 10.48550/arxiv.astro-ph/9903474 · pith_short_12: VQH6U3QUNA5T · pith_short_16: VQH6U3QUNA5TYSWT · pith_short_8: VQH6U3QU

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/VQH6U3QUNA5TYSWTVCDOBMDPZC \
  | 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: ac0fea6e14683b3c4ad3a886e0b06fc8bdf4e6e98fe547ca68e3f48514d7ef77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c34b9f6cf3679c2dea636e510dc5ac3bef3452e81a687eaefaa4e671e5615b5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-03-31T10:44:39Z",
    "title_canon_sha256": "eeae9a0a981828a1b759b229b050545b15393d233db1cc25cfdb1e1d48de24f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9903474",
    "kind": "arxiv",
    "version": 1
  }
}