Pith Number

pith:K2RSOOPC

pith:2012:K2RSOOPCAG4JPIYWM53GAK7ZGS

not attested not anchored not stored refs pending

Matters of Gravity, The Newsletter of the Topical Group on Gravitation of the American Physical Society, Volume 40, Fall 2012

David Garfinkle

arxiv:1209.1373 v1 · 2012-09-06 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K2RSOOPCAG4JPIYWM53GAK7ZGS}

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	2026-05-18T03:46:05.783484Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56a32739e201b897a3166776602bf934abbbe4493f9cdfc9331b79847170b162

Aliases

arxiv: 1209.1373 · arxiv_version: 1209.1373v1 · doi: 10.48550/arxiv.1209.1373 · pith_short_12: K2RSOOPCAG4J · pith_short_16: K2RSOOPCAG4JPIYW · pith_short_8: K2RSOOPC

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/K2RSOOPCAG4JPIYWM53GAK7ZGS \
  | 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: 56a32739e201b897a3166776602bf934abbbe4493f9cdfc9331b79847170b162

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba56dba642b2c8a8cf7bfcc61a8019a0190e79ff697082083dc596e9878a8a5d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-09-06T19:07:51Z",
    "title_canon_sha256": "7b1f351fc361ac79d3d95df16d13d2bce3847a8565db11be945ae4da4e3239c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.1373",
    "kind": "arxiv",
    "version": 1
  }
}