Pith Number

pith:JQDJEMVQ

pith:2014:JQDJEMVQH7ZBYGPVIVR5VNA43A

not attested not anchored not stored refs pending

Constraints on the spacetime geometry around 10 stellar-mass black hole candidates from the disk's thermal spectrum

Cosimo Bambi, Lingyao Kong, Zilong Li

arxiv:1405.1508 v2 · 2014-05-07 · gr-qc · 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{JQDJEMVQH7ZBYGPVIVR5VNA43A}

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	2026-05-18T02:32:22.310359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c069232b03ff21c19f54563dab41cd80fa5c214c747bd5b3bc14d0d7ccf203a

Aliases

arxiv: 1405.1508 · arxiv_version: 1405.1508v2 · doi: 10.48550/arxiv.1405.1508 · pith_short_12: JQDJEMVQH7ZB · pith_short_16: JQDJEMVQH7ZBYGPV · pith_short_8: JQDJEMVQ

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/JQDJEMVQH7ZBYGPVIVR5VNA43A \
  | 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: 4c069232b03ff21c19f54563dab41cd80fa5c214c747bd5b3bc14d0d7ccf203a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2dc9951d1737c6960047b1a0e17b6c9f70840c40dfc7f98ac6ea2b756dffd82",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-05-07T05:47:30Z",
    "title_canon_sha256": "ebd1e2cacf5c175e6d5a3e34df0fe62cf78264f7c6da9a15ab89199174ae4f05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.1508",
    "kind": "arxiv",
    "version": 2
  }
}