Pith Number

pith:GQUTIP2X

pith:2012:GQUTIP2X56Y46DLGG3AHU7H7DX

not attested not anchored not stored refs pending

Descriptive complexity for pictures languages (extended abstract)

Etienne Grandjean, Fr\'ed\'eric Olive, Ga\'etan Richard

arxiv:1201.5853 v1 · 2012-01-27 · cs.LO · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GQUTIP2X56Y46DLGG3AHU7H7DX}

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	2026-05-18T04:03:44.376236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3429343f57efb1cf0d6636c07a7cff1de5d79b92cf4d64a018616a0d75a1b948

Aliases

arxiv: 1201.5853 · arxiv_version: 1201.5853v1 · doi: 10.48550/arxiv.1201.5853 · pith_short_12: GQUTIP2X56Y4 · pith_short_16: GQUTIP2X56Y46DLG · pith_short_8: GQUTIP2X

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/GQUTIP2X56Y46DLGG3AHU7H7DX \
  | 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: 3429343f57efb1cf0d6636c07a7cff1de5d79b92cf4d64a018616a0d75a1b948

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "104384d0f9e9e2d968261c3dc008a139dc236c03cb36e5e37f42679d553c2d4e",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2012-01-27T18:07:42Z",
    "title_canon_sha256": "3e8e6c77eda17995b3d2ae54440e90ce01f3aa57f88c09ef679468dbefa94fb5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.5853",
    "kind": "arxiv",
    "version": 1
  }
}