Pith Number

pith:356XJ3XS

pith:2011:356XJ3XSYQQX7Q4WTQCU3F5UYX

not attested not anchored not stored refs pending

Minimum-weight perfect matching for non-intrinsic distances on the line

Andrei Sobolevski (LIFR-MI2P), Julie Delon (LTCI), Julien Salomon (CEREMADE)

arxiv:1102.1558 v2 · 2011-02-08 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{356XJ3XSYQQX7Q4WTQCU3F5UYX}

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	2026-05-18T03:39:42.116383Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df7d74eef2c4217fc3969c054d97b4c5feef5301cce39aabe8200b816face981

Aliases

arxiv: 1102.1558 · arxiv_version: 1102.1558v2 · doi: 10.48550/arxiv.1102.1558 · pith_short_12: 356XJ3XSYQQX · pith_short_16: 356XJ3XSYQQX7Q4W · pith_short_8: 356XJ3XS

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/356XJ3XSYQQX7Q4WTQCU3F5UYX \
  | 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: df7d74eef2c4217fc3969c054d97b4c5feef5301cce39aabe8200b816face981

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ae5c9f643a9411e561429cebc5e3b2f9b692d08b2c9cb82f6829d6649600561",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2011-02-08T10:32:27Z",
    "title_canon_sha256": "5972245dd7266bfc8a655f179e38e72977602e273e206450ecc36a7bafdafade"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.1558",
    "kind": "arxiv",
    "version": 2
  }
}