Pith Number

pith:B2ERKGXL

pith:2011:B2ERKGXL2K2ZSJYJNFVXW5ZFWX

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 37, Winter 2011

David Garfinkle

arxiv:1102.5546 v1 · 2011-02-27 · 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{B2ERKGXL2K2ZSJYJNFVXW5ZFWX}

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	2026-05-18T04:27:46.610456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e89151aebd2b5992709696b7b7725b5d330c76dc9e4e2f42fedd17d59f8b832

Aliases

arxiv: 1102.5546 · arxiv_version: 1102.5546v1 · doi: 10.48550/arxiv.1102.5546 · pith_short_12: B2ERKGXL2K2Z · pith_short_16: B2ERKGXL2K2ZSJYJ · pith_short_8: B2ERKGXL

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/B2ERKGXL2K2ZSJYJNFVXW5ZFWX \
  | 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: 0e89151aebd2b5992709696b7b7725b5d330c76dc9e4e2f42fedd17d59f8b832

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78c8d0715f5ec4130a33d4bc2e169beae6ef5db04d65fdf587ad79d45b11ccc2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-02-27T20:24:17Z",
    "title_canon_sha256": "e2abf13ff3f6537855c32626cd09db2ab584e7943e36632ba5a93e275667ea7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.5546",
    "kind": "arxiv",
    "version": 1
  }
}