Pith Number

pith:NDHUOMTA

pith:2017:NDHUOMTAEGPOBJFUGZ2JHQHBHQ

not attested not anchored not stored refs pending

Making Bidirected Graphs Strongly Connected

Shun Sato, Tatsuya Matsuoka

arxiv:1709.00824 v1 · 2017-09-04 · 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{NDHUOMTAEGPOBJFUGZ2JHQHBHQ}

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	2026-05-18T00:36:05.027853Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68cf473260219ee0a4b4367493c0e13c1d2ef81112922cbeab6d50f3e1f58041

Aliases

arxiv: 1709.00824 · arxiv_version: 1709.00824v1 · doi: 10.48550/arxiv.1709.00824 · pith_short_12: NDHUOMTAEGPO · pith_short_16: NDHUOMTAEGPOBJFU · pith_short_8: NDHUOMTA

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/NDHUOMTAEGPOBJFUGZ2JHQHBHQ \
  | 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: 68cf473260219ee0a4b4367493c0e13c1d2ef81112922cbeab6d50f3e1f58041

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8de0bbe349f1101681258e3b84484f993ba2d1bd3f574bbfa6dc18aa26ae3b1a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2017-09-04T06:11:10Z",
    "title_canon_sha256": "966ee714aa8f5ff1bc32a83755fb690050a94a2ab58f300801fe5f9779e2c9cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.00824",
    "kind": "arxiv",
    "version": 1
  }
}