Pith Number

pith:WPIJD3I3

pith:2012:WPIJD3I3SPQB3N4FN2LVCTHOAX

not attested not anchored not stored refs pending

The Mass of the Compact Object in the Low-Mass X-ray Binary 2S 0921-630

A. M. Cherepashchuk, E. A. Antokhina, M. K. Abubekerov, V. V. Shimanskii

arxiv:1201.4689 v1 · 2012-01-23 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WPIJD3I3SPQB3N4FN2LVCTHOAX}

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	2026-05-18T01:58:43.572248Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3d091ed1b93e01db7856e97514cee05e4ce5d65af3c9769b8ee806803f102a8

Aliases

arxiv: 1201.4689 · arxiv_version: 1201.4689v1 · doi: 10.48550/arxiv.1201.4689 · pith_short_12: WPIJD3I3SPQB · pith_short_16: WPIJD3I3SPQB3N4F · pith_short_8: WPIJD3I3

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/WPIJD3I3SPQB3N4FN2LVCTHOAX \
  | 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: b3d091ed1b93e01db7856e97514cee05e4ce5d65af3c9769b8ee806803f102a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37a9d0fcb892618626109cb659fbd5f645df51319bb5616c37d83913e5c25a94",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-01-23T11:41:14Z",
    "title_canon_sha256": "876147382dfdc07b28ca6925b0a1a57ca82db70faee2477d14350749b10d13bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.4689",
    "kind": "arxiv",
    "version": 1
  }
}