Pith Number

pith:ZBUF5CRN

pith:2008:ZBUF5CRN7J4MPTRJXMJSOZKZ4P

not attested not anchored not stored refs pending

Generative Unbinding of Names

Andrew M. Pitts, Mark R. Shinwell

arxiv:0801.1251 v2 · 2008-01-08 · cs.PL · 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{ZBUF5CRN7J4MPTRJXMJSOZKZ4P}

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	2026-05-18T01:37:42.556345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8685e8a2dfa78c7ce29bb13276559e3eb3dce235e2e806ea1092cd91229c67b

Aliases

arxiv: 0801.1251 · arxiv_version: 0801.1251v2 · doi: 10.48550/arxiv.0801.1251 · pith_short_12: ZBUF5CRN7J4M · pith_short_16: ZBUF5CRN7J4MPTRJ · pith_short_8: ZBUF5CRN

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/ZBUF5CRN7J4MPTRJXMJSOZKZ4P \
  | 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: c8685e8a2dfa78c7ce29bb13276559e3eb3dce235e2e806ea1092cd91229c67b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e06cc6e78b597244f6e2e545bb852e9a507aa299531b194504f8c2e2d905c7ba",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "",
    "primary_cat": "cs.PL",
    "submitted_at": "2008-01-08T15:04:56Z",
    "title_canon_sha256": "32398319a89edc55ef4e7fca0a2289d18fe215af4aa75af596c5cf965b6e255d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.1251",
    "kind": "arxiv",
    "version": 2
  }
}