Pith Number

pith:OEH4L3Q4

pith:2007:OEH4L3Q4S5GX3N724KK2BMGOIX

not attested not anchored not stored refs pending

Extension of the composite CBS-QB3 method to singlet diradical calculations

Baptiste Sirjean (DCPR), M.F. Ruiz-Lopez (SRSMC), Pierre-Alexandre Glaude (DCPR), Ren\'e Fournet (DCPR)

arxiv:0706.2061 v1 · 2007-06-14 · physics.chem-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OEH4L3Q4S5GX3N724KK2BMGOIX}

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	2026-05-18T02:16:30.135224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

710fc5ee1c974d7db7fae295a0b0ce45c6e9dcf396b2d693675b6d1df7f8c649

Aliases

arxiv: 0706.2061 · arxiv_version: 0706.2061v1 · doi: 10.48550/arxiv.0706.2061 · pith_short_12: OEH4L3Q4S5GX · pith_short_16: OEH4L3Q4S5GX3N72 · pith_short_8: OEH4L3Q4

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/OEH4L3Q4S5GX3N724KK2BMGOIX \
  | 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: 710fc5ee1c974d7db7fae295a0b0ce45c6e9dcf396b2d693675b6d1df7f8c649

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1317973e74b486ec3dc18dd032156ba2ad9e7ff2b96d42aa414c54861da09127",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2007-06-14T09:00:49Z",
    "title_canon_sha256": "8e510ab162a772f3dfd51d3dfe977098e0ed5db824914aa1256cf2c35741120b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0706.2061",
    "kind": "arxiv",
    "version": 1
  }
}