Pith Number

pith:3AEFZDWD

pith:2016:3AEFZDWD5JJZPVO2MOAC73F3U6

not attested not anchored not stored refs pending

Minimum Eccentricity Shortest Path Problem: an Approximation Algorithm and Relation with the k-Laminarity Problem

Etienne Birmel\'e (MAP5), Fabien De Montgolfier (IRIF), IRIF), L\'eo Planche (MAP5

arxiv:1609.04593 v1 · 2016-09-15 · cs.CC · 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{3AEFZDWD5JJZPVO2MOAC73F3U6}

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	2026-05-18T01:04:36.282300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8085c8ec3ea5397d5da63802fecbba79e27964b3289bccd1900c618e063478b

Aliases

arxiv: 1609.04593 · arxiv_version: 1609.04593v1 · doi: 10.48550/arxiv.1609.04593 · pith_short_12: 3AEFZDWD5JJZ · pith_short_16: 3AEFZDWD5JJZPVO2 · pith_short_8: 3AEFZDWD

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/3AEFZDWD5JJZPVO2MOAC73F3U6 \
  | 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: d8085c8ec3ea5397d5da63802fecbba79e27964b3289bccd1900c618e063478b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9a083e0f65e016dfb7eff38e3dfe2e625040c64e1a0bc29ee8023f1eb874c53",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2016-09-15T12:18:57Z",
    "title_canon_sha256": "af1d7592f3559bb5ae37102ac485007b97eea0c247f6237407395f6fb9b11f51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.04593",
    "kind": "arxiv",
    "version": 1
  }
}