Pith Number

pith:GMTBNMTP

pith:2008:GMTBNMTPVF2P2UO2J5A3FCZYTD

not attested not anchored not stored refs pending

Protocol Channels

Steffen Wendzel

arxiv:0809.1949 v5 · 2008-09-11 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GMTBNMTPVF2P2UO2J5A3FCZYTD}

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	2026-05-18T04:22:09.408099Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

332616b26fa974fd51da4f41b28b3898eef39288bd053cb8b6ad5a2436d2ba64

Aliases

arxiv: 0809.1949 · arxiv_version: 0809.1949v5 · doi: 10.48550/arxiv.0809.1949 · pith_short_12: GMTBNMTPVF2P · pith_short_16: GMTBNMTPVF2P2UO2 · pith_short_8: GMTBNMTP

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/GMTBNMTPVF2P2UO2J5A3FCZYTD \
  | 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: 332616b26fa974fd51da4f41b28b3898eef39288bd053cb8b6ad5a2436d2ba64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98f1e1bd616f3aaa8e119b8ab5c08f9c146c5ebb37fa2c84e4d432d0b1784bd5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "cs.CR",
    "submitted_at": "2008-09-11T10:57:19Z",
    "title_canon_sha256": "4d7ec2a9245310661e65524a9671ba6c79e14e63378b88f9dca538d72428560e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.1949",
    "kind": "arxiv",
    "version": 5
  }
}