Pith Number

pith:WIK6VKIN

pith:2012:WIK6VKINGRHAI7FTT32PTY2YR7

not attested not anchored not stored refs pending

Spike statistics

Claes Uggla, J. Mark Heinzle

arxiv:1212.5500 v1 · 2012-12-21 · 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{WIK6VKINGRHAI7FTT32PTY2YR7}

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	2026-05-18T03:14:52.951995Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b215eaa90d344e047cb39ef4f9e3588fc66fb79ce9a21ec6b8430eb1a6d3000d

Aliases

arxiv: 1212.5500 · arxiv_version: 1212.5500v1 · doi: 10.48550/arxiv.1212.5500 · pith_short_12: WIK6VKINGRHA · pith_short_16: WIK6VKINGRHAI7FT · pith_short_8: WIK6VKIN

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/WIK6VKINGRHAI7FTT32PTY2YR7 \
  | 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: b215eaa90d344e047cb39ef4f9e3588fc66fb79ce9a21ec6b8430eb1a6d3000d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "650e74d606eaaf35fd72ab986222e1916908a3bacf373a4a305e329ec0a6def7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-12-21T15:55:35Z",
    "title_canon_sha256": "17e78dd36c6ba67a443db21f3644f22ac96d30ec76ebb85dcef8f70d0f200e11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.5500",
    "kind": "arxiv",
    "version": 1
  }
}