Pith Number

pith:PLFJQG46

pith:2012:PLFJQG46QME2HEVR2B3UZXQRC4

not attested not anchored not stored refs pending

Constraints on the Compact Object Mass in the Eclipsing HMXB XMMU J013236.7+303228 in M33

Fiona Harrison, Marten H van Kerkwijk, Varun Bhalerao

arxiv:1207.0008 v1 · 2012-06-29 · astro-ph.SR · 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{PLFJQG46QME2HEVR2B3UZXQRC4}

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	2026-05-18T01:56:36.278166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7aca981b9e8309a392b1d0774cde11173c3e255ec8cb659ac57f4a30824fe52b

Aliases

arxiv: 1207.0008 · arxiv_version: 1207.0008v1 · doi: 10.48550/arxiv.1207.0008 · pith_short_12: PLFJQG46QME2 · pith_short_16: PLFJQG46QME2HEVR · pith_short_8: PLFJQG46

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/PLFJQG46QME2HEVR2B3UZXQRC4 \
  | 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: 7aca981b9e8309a392b1d0774cde11173c3e255ec8cb659ac57f4a30824fe52b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbb1def489fb832bd5f2df44fd16d56d060287b3296c485902982e9ad9680b5e",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-06-29T20:00:12Z",
    "title_canon_sha256": "5f3f455144003892154d40d1257d45804fb9b11eed5066fcd68b3ca82e344f0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.0008",
    "kind": "arxiv",
    "version": 1
  }
}