Pith Number

pith:Y2IHDZWG

pith:2016:Y2IHDZWGUIZZRRFOOF2AIXDCE6

not attested not anchored not stored refs pending

PFA(S)[S] for the masses

Franklin D. Tall

arxiv:1607.04370 v1 · 2016-07-15 · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y2IHDZWGUIZZRRFOOF2AIXDCE6}

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	2026-05-18T01:11:01.415573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c69071e6c6a23398c4ae7174045c622794eb040514a2b62fbc29f015c5afcf19

Aliases

arxiv: 1607.04370 · arxiv_version: 1607.04370v1 · doi: 10.48550/arxiv.1607.04370 · pith_short_12: Y2IHDZWGUIZZ · pith_short_16: Y2IHDZWGUIZZRRFO · pith_short_8: Y2IHDZWG

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/Y2IHDZWGUIZZRRFOOF2AIXDCE6 \
  | 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: c69071e6c6a23398c4ae7174045c622794eb040514a2b62fbc29f015c5afcf19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c117d355ff441787a6ed441f30d0e8299ca32a17ad518300f7ad22cb260a01e8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2016-07-15T03:27:18Z",
    "title_canon_sha256": "9310d712d34aa6797eeea8bdeb7c816da85678ec22dbb6db2cc1368e485b6a26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.04370",
    "kind": "arxiv",
    "version": 1
  }
}