Pith Number

pith:DPOD53BM

pith:2017:DPOD53BMPYSDYJYIYRFKI2PKTH

not attested not anchored not stored refs pending

Variations on a Visserian Theme

Ali Enayat

arxiv:1702.07093 v1 · 2017-02-23 · math.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{DPOD53BMPYSDYJYIYRFKI2PKTH}

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	2026-05-18T00:50:08.358805Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bdc3eec2c7e243c2708c44aa469ea99fb63e758eac574301542b04374bed728

Aliases

arxiv: 1702.07093 · arxiv_version: 1702.07093v1 · doi: 10.48550/arxiv.1702.07093 · pith_short_12: DPOD53BMPYSD · pith_short_16: DPOD53BMPYSDYJYI · pith_short_8: DPOD53BM

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/DPOD53BMPYSDYJYIYRFKI2PKTH \
  | 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: 1bdc3eec2c7e243c2708c44aa469ea99fb63e758eac574301542b04374bed728

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b6cf11c812ae239e9318f01c549d4cadf216421f3eb4325765e106abf48a26f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2017-02-23T04:36:09Z",
    "title_canon_sha256": "d46c525e89e9a2efad72f7e9050ae3abc9cec68a9f136aee7f0e1d6148e9fdaa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.07093",
    "kind": "arxiv",
    "version": 1
  }
}