Pith Number

pith:CEFC5MTB

pith:1999:CEFC5MTBA2T62N6U7MD3UOUVNG

not attested not anchored not stored refs pending

Detection of a 5-Hz QPO from X-ray Nova GRS 1739-278

K.N.Borozdin, Moscow Space Research Institute), S.P.Trudolyubov (Los Alamos National Laboratory

arxiv:astro-ph/9911290 v2 · 1999-11-16 · 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{CEFC5MTBA2T62N6U7MD3UOUVNG}

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	2026-05-18T01:40:12.410964Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

110a2eb26106a7ed37d4fb07ba3a9569ab790e3f5ba975902a85e418131c6bb2

Aliases

arxiv: astro-ph/9911290 · arxiv_version: astro-ph/9911290v2 · doi: 10.48550/arxiv.astro-ph/9911290 · pith_short_12: CEFC5MTBA2T6 · pith_short_16: CEFC5MTBA2T62N6U · pith_short_8: CEFC5MTB

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/CEFC5MTBA2T62N6U7MD3UOUVNG \
  | 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: 110a2eb26106a7ed37d4fb07ba3a9569ab790e3f5ba975902a85e418131c6bb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d60a13b64e26e7a422458907b5252344dfba96eb9a5860f65cd33c4056715c8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-11-16T03:13:43Z",
    "title_canon_sha256": "a9b3b7e016c49064853565a802837ff13d0448789eab87d247eb03ec9c212190"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9911290",
    "kind": "arxiv",
    "version": 2
  }
}