Pith Number

pith:MCEVNHYI

pith:2012:MCEVNHYI7H4XYCR5R5HFKFXTVZ

not attested not anchored not stored refs pending

The Mass of the Compact Object in the X-Ray Binary Her X-1/HZ Her

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

arxiv:1201.5519 v1 · 2012-01-26 · 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{MCEVNHYI7H4XYCR5R5HFKFXTVZ}

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	2026-05-18T01:58:41.556508Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6089569f08f9f97c0a3d8f4e5516f3ae621fc4721e3b5b831d1bc278b118e240

Aliases

arxiv: 1201.5519 · arxiv_version: 1201.5519v1 · doi: 10.48550/arxiv.1201.5519 · pith_short_12: MCEVNHYI7H4X · pith_short_16: MCEVNHYI7H4XYCR5 · pith_short_8: MCEVNHYI

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/MCEVNHYI7H4XYCR5R5HFKFXTVZ \
  | 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: 6089569f08f9f97c0a3d8f4e5516f3ae621fc4721e3b5b831d1bc278b118e240

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a0e18e9186c78cc8508b386aa91fd3c15f6aaa39b1803a2f5e8d32b51fd1623",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-01-26T14:02:54Z",
    "title_canon_sha256": "f94e333783aea380d2cc459379cfabb38a5a843d2b071e19fe3d71e0cf99454f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.5519",
    "kind": "arxiv",
    "version": 1
  }
}