Pith Number

pith:TUQBAZ3E

pith:2014:TUQBAZ3EBXF4F6TYATD735TV2H

not attested not anchored not stored refs pending

Selecting Computations: Theory and Applications

David Tolpin, Nicholas Hay, Solomon Eyal Shimony, Stuart Russell

arxiv:1408.2048 v1 · 2014-08-09 · cs.AI

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

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	2026-05-18T02:45:30.555181Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d201067640dcbc2fa7804c7fdf675d1d1189de705a44ddbadfa4fdfe63d1737

Aliases

arxiv: 1408.2048 · arxiv_version: 1408.2048v1 · doi: 10.48550/arxiv.1408.2048 · pith_short_12: TUQBAZ3EBXF4 · pith_short_16: TUQBAZ3EBXF4F6TY · pith_short_8: TUQBAZ3E

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/TUQBAZ3EBXF4F6TYATD735TV2H \
  | 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: 9d201067640dcbc2fa7804c7fdf675d1d1189de705a44ddbadfa4fdfe63d1737

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f76c38911c883c0b509563f2c7852b27bb60628b5c19abb501f4f1a4880d4cf7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2014-08-09T05:46:06Z",
    "title_canon_sha256": "76cf88eea0ed89d8d20b080b4afdf768c10ffa6817e36d285896a4b41d3d6783"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.2048",
    "kind": "arxiv",
    "version": 1
  }
}