Pith Number

pith:IV5FWCFC

pith:2022:IV5FWCFCOCNU55HSEUARTAAPW3

not attested not anchored not stored refs pending

Detours in Directed Graphs

Danil Sagunov, Fedor V. Fomin, Kirill Simonov, Petr A. Golovach, Saket Saurabh, William Lochet

arxiv:2201.03318 v1 · 2022-01-10 · cs.DS · 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{IV5FWCFCOCNU55HSEUARTAAPW3}

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	2026-07-05T03:47:08.532243Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

457a5b08a2709b4ef4f2250119800fb6ea01c7805ec9f4ca8c7172153b43297d

Aliases

arxiv: 2201.03318 · arxiv_version: 2201.03318v1 · doi: 10.48550/arxiv.2201.03318 · pith_short_12: IV5FWCFCOCNU · pith_short_16: IV5FWCFCOCNU55HS · pith_short_8: IV5FWCFC

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/IV5FWCFCOCNU55HSEUARTAAPW3 \
  | 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: 457a5b08a2709b4ef4f2250119800fb6ea01c7805ec9f4ca8c7172153b43297d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3936408eba1c407b4fa3a2ec8c08cb998ff5a877afb97a66f79800b3f4c5f0f6",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2022-01-10T12:37:02Z",
    "title_canon_sha256": "a0d3cd73678847c2d7445aecde00112d8ad79ff438a338b7c763ecf2c389c226"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.03318",
    "kind": "arxiv",
    "version": 1
  }
}