Pith Number

pith:7W7SIZ42

pith:2011:7W7SIZ4272JD6UU5Q454SBXDZ3

not attested not anchored not stored refs pending

Ways to constrain neutron star equation of state models using relativistic disc lines

India), Sudip Bhattacharyya (TIFR

arxiv:1109.2068 v1 · 2011-09-09 · astro-ph.HE · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7W7SIZ4272JD6UU5Q454SBXDZ3}

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	2026-05-18T02:00:37.063479Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdbf24679afe923f529d873bc906e3cedd7c5d1f3f84efaa01890d54b32a9be4

Aliases

arxiv: 1109.2068 · arxiv_version: 1109.2068v1 · doi: 10.48550/arxiv.1109.2068 · pith_short_12: 7W7SIZ4272JD · pith_short_16: 7W7SIZ4272JD6UU5 · pith_short_8: 7W7SIZ42

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/7W7SIZ4272JD6UU5Q454SBXDZ3 \
  | 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: fdbf24679afe923f529d873bc906e3cedd7c5d1f3f84efaa01890d54b32a9be4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8507f6445d1f879e6dc063be09c12e5165c8c43a2c4bf714c954a90abc88b76c",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-09-09T17:12:33Z",
    "title_canon_sha256": "230329784d2dfca62e28f643c521c437b189ee36b725b458945997e93b6047e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.2068",
    "kind": "arxiv",
    "version": 1
  }
}