Pith Number

pith:XTJHGO4Q

pith:2011:XTJHGO4Q63XT67YNPV2FU6H37D

not attested not anchored not stored refs pending

An Approximation Algorithm for Computing Shortest Paths in Weighted 3-d Domains

Anil Maheshwari, Hristo Djidjev, Joerg-Rudiger Sack, Lyudmil Aleksandrov

arxiv:1102.3165 v1 · 2011-02-15 · cs.CG · cs.DS · cs.GR · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XTJHGO4Q63XT67YNPV2FU6H37D}

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	2026-05-18T04:28:38.299519Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bcd2733b90f6ef3f7f0d7d745a78fbf8e1668fc4eba15105e226e7cf9c4381a8

Aliases

arxiv: 1102.3165 · arxiv_version: 1102.3165v1 · doi: 10.48550/arxiv.1102.3165 · pith_short_12: XTJHGO4Q63XT · pith_short_16: XTJHGO4Q63XT67YN · pith_short_8: XTJHGO4Q

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/XTJHGO4Q63XT67YNPV2FU6H37D \
  | 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: bcd2733b90f6ef3f7f0d7d745a78fbf8e1668fc4eba15105e226e7cf9c4381a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b8f4c050e0840e4869497eccb6698ab425245f71470ddda70ff3267e0d8c48a",
    "cross_cats_sorted": [
      "cs.DS",
      "cs.GR",
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2011-02-15T19:50:45Z",
    "title_canon_sha256": "4c709f2187f35faf7318063581cdbe23090f342aba57b85a8a894ac7bf9bc928"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.3165",
    "kind": "arxiv",
    "version": 1
  }
}