Pith Number

pith:V7IHL22O

pith:2011:V7IHL22OB2B3YSRAARQR653H7K

not attested not anchored not stored refs pending

Aligning component upgrades

Claude Michel (I3S (UNS-CNRS), France), INRIA Rocquencourt, Olivier Lhomme (IBM France, Paris, Roberto Di Cosmo (Univ Paris Diderot, Sophia Antipolis, Sophia Antipolis Cedex, Sorbonne Paris Cite

arxiv:1109.0456 v1 · 2011-09-01 · cs.SE · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V7IHL22OB2B3YSRAARQR653H7K}

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	2026-05-18T04:14:15.609685Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

afd075eb4e0e83bc4a2004611f7767fab3599fe376734edf3d6a6534be30bb61

Aliases

arxiv: 1109.0456 · arxiv_version: 1109.0456v1 · doi: 10.48550/arxiv.1109.0456 · pith_short_12: V7IHL22OB2B3 · pith_short_16: V7IHL22OB2B3YSRA · pith_short_8: V7IHL22O

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/V7IHL22OB2B3YSRAARQR653H7K \
  | 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: afd075eb4e0e83bc4a2004611f7767fab3599fe376734edf3d6a6534be30bb61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "705f227c7f81328af7b7d22c2b10f14945f8a2aa2588f6f1c91988c07de2e33e",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2011-09-01T07:34:01Z",
    "title_canon_sha256": "724c6b029413dc45960bb0960d9aa891b790b57ef59595850157623d9a74c0ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.0456",
    "kind": "arxiv",
    "version": 1
  }
}