Pith Number

pith:VTHG6ODA

pith:2018:VTHG6ODAR6ZV65Z3O7VZ26WRKD

not attested not anchored not stored refs pending

Circuits via topoi

Arnaud Spiwack

arxiv:1807.07159 v1 · 2018-07-18 · cs.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{VTHG6ODAR6ZV65Z3O7VZ26WRKD}

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	2026-05-18T00:10:21.093251Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acce6f38608fb35f773b77eb9d7ad150fbba680a8d810d34831bf0cab9511d71

Aliases

arxiv: 1807.07159 · arxiv_version: 1807.07159v1 · doi: 10.48550/arxiv.1807.07159 · pith_short_12: VTHG6ODAR6ZV · pith_short_16: VTHG6ODAR6ZV65Z3 · pith_short_8: VTHG6ODA

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/VTHG6ODAR6ZV65Z3O7VZ26WRKD \
  | 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: acce6f38608fb35f773b77eb9d7ad150fbba680a8d810d34831bf0cab9511d71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "558175fb4a386b5c5a5cc38b56cf05a48f233dda462e5aa6d6522575157188b7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-07-18T21:19:09Z",
    "title_canon_sha256": "fc246d91af91a217f70c50356f3970f840a0c97ac6a94bd98687821b5872ad4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.07159",
    "kind": "arxiv",
    "version": 1
  }
}