Pith Number

pith:CQFAPLXK

pith:2016:CQFAPLXKSA57FQZWFRIJPPJPKE

not attested not anchored not stored refs pending

What do we approximate and what are the consequences in perturbation theory?

Lasse Kragh S{\o}rensen, Marcus Lundberg, Roland Lindh

arxiv:1608.02399 v1 · 2016-08-08 · physics.chem-ph · physics.comp-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{CQFAPLXKSA57FQZWFRIJPPJPKE}

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	2026-05-18T01:09:40.296655Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

140a07aeea903bf2c3362c5097bd2f5101cf1e147966d885a4e2225c6929ce72

Aliases

arxiv: 1608.02399 · arxiv_version: 1608.02399v1 · doi: 10.48550/arxiv.1608.02399 · pith_short_12: CQFAPLXKSA57 · pith_short_16: CQFAPLXKSA57FQZW · pith_short_8: CQFAPLXK

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/CQFAPLXKSA57FQZWFRIJPPJPKE \
  | 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: 140a07aeea903bf2c3362c5097bd2f5101cf1e147966d885a4e2225c6929ce72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24ea7ce8c3171a5052b0fda36ccf4a9531ccf7de6ccc027987481335cce81adb",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2016-08-08T12:13:45Z",
    "title_canon_sha256": "029db1e03e3d77f182009e34c17c4080b6dcdc935e291f3bc491ccd820c0e3d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.02399",
    "kind": "arxiv",
    "version": 1
  }
}