Pith Number

pith:B67LTUG4

pith:2014:B67LTUG4BWVMM65W7FUYYTCQ35

not attested not anchored not stored refs pending

Code Review For and By Scientists

Greg Wilson, Marian Petre

arxiv:1407.5648 v2 · 2014-07-21 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B67LTUG4BWVMM65W7FUYYTCQ35}

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	2026-05-18T02:43:18.627931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fbeb9d0dc0daac67bb6f9698c4c50df6ed16f91dab9b57ece4b16f586f8d714

Aliases

arxiv: 1407.5648 · arxiv_version: 1407.5648v2 · doi: 10.48550/arxiv.1407.5648 · pith_short_12: B67LTUG4BWVM · pith_short_16: B67LTUG4BWVMM65W · pith_short_8: B67LTUG4

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/B67LTUG4BWVMM65W7FUYYTCQ35 \
  | 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: 0fbeb9d0dc0daac67bb6f9698c4c50df6ed16f91dab9b57ece4b16f586f8d714

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a836e0783220d5c052f0802e8fa710949d23e7ada3dc6a4636839beb09ed5a7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2014-07-21T20:08:50Z",
    "title_canon_sha256": "2cebbd12119276b95c1f7f1ed168c5b7affdd5618f320d6d90c72187ed5db237"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.5648",
    "kind": "arxiv",
    "version": 2
  }
}