Pith Number

pith:E2MVFI4Q

pith:2013:E2MVFI4QJEMIB7PB2IR7FRNHCR

not attested not anchored not stored refs pending

Continuation calculus

Bram Geron, Herman Geuvers

arxiv:1309.1257 v1 · 2013-09-05 · cs.LO · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E2MVFI4QJEMIB7PB2IR7FRNHCR}

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	2026-05-18T03:14:07.844014Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

269952a390491880fde1d223f2c5a7145045e5566ef97e962a77ca8b317725af

Aliases

arxiv: 1309.1257 · arxiv_version: 1309.1257v1 · doi: 10.48550/arxiv.1309.1257 · pith_short_12: E2MVFI4QJEMI · pith_short_16: E2MVFI4QJEMIB7PB · pith_short_8: E2MVFI4Q

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/E2MVFI4QJEMIB7PB2IR7FRNHCR \
  | 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: 269952a390491880fde1d223f2c5a7145045e5566ef97e962a77ca8b317725af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74b37b21ecab92932e9cc5b8cef3edd6cca04dc36b28099f4181bc58b4d62235",
    "cross_cats_sorted": [
      "cs.PL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2013-09-05T08:03:50Z",
    "title_canon_sha256": "4ad5ecf95f59c50bf7eb19b8b957c76c2fcf097f59c7b79abeb43f340755586e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.1257",
    "kind": "arxiv",
    "version": 1
  }
}