Pith Number

pith:6BYL2HIM

pith:2015:6BYL2HIMT26BODF56IAHEGOFQR

not attested not anchored not stored refs pending

Semantics for Locking Specifications

Damiano Macedonio, Fausto Spoto, Massimo Merro, Michael Ernst

arxiv:1501.05338 v2 · 2015-01-21 · 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{6BYL2HIMT26BODF56IAHEGOFQR}

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	2026-05-18T01:26:58.060033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f070bd1d0c9ebc170cbdf2007219c5845024d22ad169563cecc7459e13e6b474

Aliases

arxiv: 1501.05338 · arxiv_version: 1501.05338v2 · doi: 10.48550/arxiv.1501.05338 · pith_short_12: 6BYL2HIMT26B · pith_short_16: 6BYL2HIMT26BODF5 · pith_short_8: 6BYL2HIM

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/6BYL2HIMT26BODF56IAHEGOFQR \
  | 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: f070bd1d0c9ebc170cbdf2007219c5845024d22ad169563cecc7459e13e6b474

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "edfe61ecbb2edf9bb90aff68c2f562db410a01042f9206a76b04c31789463aa4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2015-01-21T21:56:06Z",
    "title_canon_sha256": "6ff126d29b0161be9ba12807c163ec20596ab97ebde044ee19029034a6270f18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.05338",
    "kind": "arxiv",
    "version": 2
  }
}