Pith Number

pith:M2URWBE5

pith:2012:M2URWBE56S62VYF3SJIIY5QYCD

not attested not anchored not stored refs pending

An algebraic approach to project schedule development under precedence constraints

Nikolai Krivulin

arxiv:1210.6508 v1 · 2012-10-24 · math.OC · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M2URWBE56S62VYF3SJIIY5QYCD}

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	2026-05-18T03:42:24.575691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66a91b049df4bdaae0bb92508c761810cf73c366dc6cd9f145b88530cfa6c8da

Aliases

arxiv: 1210.6508 · arxiv_version: 1210.6508v1 · doi: 10.48550/arxiv.1210.6508 · pith_short_12: M2URWBE56S62 · pith_short_16: M2URWBE56S62VYF3 · pith_short_8: M2URWBE5

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/M2URWBE56S62VYF3SJIIY5QYCD \
  | 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: 66a91b049df4bdaae0bb92508c761810cf73c366dc6cd9f145b88530cfa6c8da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e6367e5a456c0d121eb5e28bc6234d0aeb03246162f715a4a24824d44acd7a2",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2012-10-24T12:31:27Z",
    "title_canon_sha256": "aa918eafbd29174ba5cef32a9ec5662ca8a908ee48d6fcac7c60e1fbc3b1a79a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.6508",
    "kind": "arxiv",
    "version": 1
  }
}