Pith Number

pith:5UCFLK6L

pith:2020:5UCFLK6L62UYMUDTJ6SSBQDYMN

not attested not anchored not stored refs pending

Intention as Commitment toward Time

Dragan Doder, Eric Pacuit, Leendert van der Torre, Marc van Zee, Mehdi Dastani, Thomas Icard

arxiv:2004.08144 v1 · 2020-04-17 · cs.LO · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5UCFLK6L62UYMUDTJ6SSBQDYMN}

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	2026-07-05T00:55:50.522124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed0455abcbf6a98650734fa520c0786363b1bd3e080b8f18f33d046fae9e021d

Aliases

arxiv: 2004.08144 · arxiv_version: 2004.08144v1 · doi: 10.48550/arxiv.2004.08144 · pith_short_12: 5UCFLK6L62UY · pith_short_16: 5UCFLK6L62UYMUDT · pith_short_8: 5UCFLK6L

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/5UCFLK6L62UYMUDTJ6SSBQDYMN \
  | 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: ed0455abcbf6a98650734fa520c0786363b1bd3e080b8f18f33d046fae9e021d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b7f78cef4c0e63c71c384d1901624ac488d353cdda7b02812ea3a9bfcca0b7f",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2020-04-17T09:47:39Z",
    "title_canon_sha256": "bb4fa9d438e0bdf07dc316532040bb19a161b78851cec09b7fb68bf4f565bf2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.08144",
    "kind": "arxiv",
    "version": 1
  }
}