Pith Number

pith:37BQJUB7

pith:2016:37BQJUB75G3GRYZ6CMQUSDTK63

not attested not anchored not stored refs pending

Optimal online escape path against a certificate

David K\"ubel, Elmar Langetepe

arxiv:1604.05972 v1 · 2016-04-20 · cs.CG · cs.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{37BQJUB75G3GRYZ6CMQUSDTK63}

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	2026-05-18T01:16:34.060543Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfc304d03fe9b668e33e1321490e6af6f3e9aac08b9ef13527592df6a32b2676

Aliases

arxiv: 1604.05972 · arxiv_version: 1604.05972v1 · doi: 10.48550/arxiv.1604.05972 · pith_short_12: 37BQJUB75G3G · pith_short_16: 37BQJUB75G3GRYZ6 · pith_short_8: 37BQJUB7

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/37BQJUB75G3GRYZ6CMQUSDTK63 \
  | 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: dfc304d03fe9b668e33e1321490e6af6f3e9aac08b9ef13527592df6a32b2676

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3656a76a1d193cc88ea4584f0b81fc3cef3e6fcecdabb02d10e83a21b261b2f9",
    "cross_cats_sorted": [
      "cs.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2016-04-20T14:21:16Z",
    "title_canon_sha256": "8e43dd470464355a07c0e3a41409376f3a14cb88516cc2628af75064c48d5374"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.05972",
    "kind": "arxiv",
    "version": 1
  }
}