Pith Number

pith:UR2SAYC7

pith:2021:UR2SAYC7XRTGV6PO5VF65NZS2R

not attested not anchored not stored refs pending

Towards a Formal Model of Narratives

David Thue, Louis Castricato, Rogelio E. Cardona-Rivera, Stella Biderman

arxiv:2103.12872 v1 · 2021-03-23 · cs.CL · cs.AI · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UR2SAYC7XRTGV6PO5VF65NZS2R}

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	2026-07-05T02:25:52.964097Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a47520605fbc666af9eeed4beeb732d446a670699bcd4bcba7b725eece8b54a2

Aliases

arxiv: 2103.12872 · arxiv_version: 2103.12872v1 · doi: 10.48550/arxiv.2103.12872 · pith_short_12: UR2SAYC7XRTG · pith_short_16: UR2SAYC7XRTGV6PO · pith_short_8: UR2SAYC7

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/UR2SAYC7XRTGV6PO5VF65NZS2R \
  | 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: a47520605fbc666af9eeed4beeb732d446a670699bcd4bcba7b725eece8b54a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb822484746550a9a98fd80fe5257c0f95e38c25822103e3d198c2f469e5d51f",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-03-23T22:33:23Z",
    "title_canon_sha256": "656646b3138ae99dd67be90eb6ed4edf6117ec758063df47ece1b09d457c69e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.12872",
    "kind": "arxiv",
    "version": 1
  }
}