Pith Number

pith:XOTELUIP

pith:2021:XOTELUIP2R6R7E4JRDZLMDEXHG

not attested not anchored not stored refs pending

An Algorithm-Independent Measure of Progress for Linear Constraint Propagation

Ambros Gleixner, Boro Sofranac, Sebastian Pokutta

arxiv:2106.07573 v3 · 2021-06-14 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XOTELUIP2R6R7E4JRDZLMDEXHG}

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	2026-07-05T03:08:32.252810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bba645d10fd47d1f938988f2b60c97399be640a277b117bbe3e1a10a201181e1

Aliases

arxiv: 2106.07573 · arxiv_version: 2106.07573v3 · doi: 10.48550/arxiv.2106.07573 · pith_short_12: XOTELUIP2R6R · pith_short_16: XOTELUIP2R6R7E4J · pith_short_8: XOTELUIP

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/XOTELUIP2R6R7E4JRDZLMDEXHG \
  | 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: bba645d10fd47d1f938988f2b60c97399be640a277b117bbe3e1a10a201181e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26b173a0aa82843fc02edba6e7b376a2bc2229d086d2678d9a8a2ac6846b62f7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2021-06-14T16:25:01Z",
    "title_canon_sha256": "90ec1048550dbfc25b718179fe12481b5ed584728ec1a668075e39813f248d04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.07573",
    "kind": "arxiv",
    "version": 3
  }
}