Pith Number

pith:OLPRRCT6

pith:2018:OLPRRCT66KNYMUWCXLBIHJR52K

not attested not anchored not stored refs pending

Even flying cops should think ahead

Anders Martinsson, Angelika Steger, Florian Meier, Patrick Schnider

arxiv:1801.07193 v1 · 2018-01-22 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OLPRRCT66KNYMUWCXLBIHJR52K}

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	2026-05-18T00:25:21.967158Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72df188a7ef29b8652c2bac283a63dd2803e6d9a952c170bc9dc0b078eb44e16

Aliases

arxiv: 1801.07193 · arxiv_version: 1801.07193v1 · doi: 10.48550/arxiv.1801.07193 · pith_short_12: OLPRRCT66KNY · pith_short_16: OLPRRCT66KNYMUWC · pith_short_8: OLPRRCT6

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/OLPRRCT66KNYMUWCXLBIHJR52K \
  | 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: 72df188a7ef29b8652c2bac283a63dd2803e6d9a952c170bc9dc0b078eb44e16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea20f095365463e55e755961736d0cdae7f00ee2eae9b34545b533df63e89810",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2018-01-22T17:03:35Z",
    "title_canon_sha256": "672bb717e6169548aa5ba1c192cdcd44ebb2831e48cd9cf25f8d60f5b0ed62a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.07193",
    "kind": "arxiv",
    "version": 1
  }
}