Pith Number

pith:U7SCF4R2

pith:2011:U7SCF4R2RHCL64VLBOHKOY6E7T

not attested not anchored not stored refs pending

On the Feasibility of Maintenance Algorithms in Dynamic Graphs

Arnaud Casteigts, Bernard Mans, Luke Mathieson

arxiv:1107.2722 v4 · 2011-07-14 · cs.CC · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U7SCF4R2RHCL64VLBOHKOY6E7T}

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	2026-05-18T04:02:11.858112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7e422f23a89c4bf72ab0b8ea763c4fcdc984604501152578017fadd361c10f4

Aliases

arxiv: 1107.2722 · arxiv_version: 1107.2722v4 · doi: 10.48550/arxiv.1107.2722 · pith_short_12: U7SCF4R2RHCL · pith_short_16: U7SCF4R2RHCL64VL · pith_short_8: U7SCF4R2

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/U7SCF4R2RHCL64VLBOHKOY6E7T \
  | 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: a7e422f23a89c4bf72ab0b8ea763c4fcdc984604501152578017fadd361c10f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd183f39dd0ca687b61af001e32f72b42ebe51e7c87a6f12ea8759d89e0eb69b",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2011-07-14T03:23:38Z",
    "title_canon_sha256": "bfe6ec82178f9e6a9bee70588abc2be25f288fc4c78cbbca5ad084c942c34734"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.2722",
    "kind": "arxiv",
    "version": 4
  }
}