Pith Number

pith:D36F36MQ

pith:2013:D36F36MQ33L3KWZANS5MU5D6QG

not attested not anchored not stored refs pending

Can the 62 day X-ray period of the Ultraluminous X-ray source M82 X-1 be due to a precessing accretion disk?

Dheeraj R. Pasham (UMD), Tod E. Strohmayer (NASA/GSFC)

arxiv:1308.1682 v1 · 2013-08-07 · 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{D36F36MQ33L3KWZANS5MU5D6QG}

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	2026-05-18T01:48:22.514981Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1efc5df990ded7b55b206cbaca747e81921542027072da4a811764803cad020b

Aliases

arxiv: 1308.1682 · arxiv_version: 1308.1682v1 · doi: 10.48550/arxiv.1308.1682 · pith_short_12: D36F36MQ33L3 · pith_short_16: D36F36MQ33L3KWZA · pith_short_8: D36F36MQ

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/D36F36MQ33L3KWZANS5MU5D6QG \
  | 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: 1efc5df990ded7b55b206cbaca747e81921542027072da4a811764803cad020b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "beb610011685ad7e58efcf1cc6aa095873436e1a3cd1b15d43659854ed4de5a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-08-07T20:00:26Z",
    "title_canon_sha256": "90ce5af7654694b08c87b25258627b38bb3a992b5b8a8203775241ca639f5b8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.1682",
    "kind": "arxiv",
    "version": 1
  }
}