Pith Number

pith:TIQC4ZF7

pith:2009:TIQC4ZF727F2JAALD6LU6WULUD

not attested not anchored not stored refs pending

Quantum Behaviors and Dynamic Horizons

James Lindesay

arxiv:0904.4195 v1 · 2009-04-27 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TIQC4ZF727F2JAALD6LU6WULUD}

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	2026-05-18T02:34:59.540836Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a202e64bfd7cba4800b1f974f5a8ba0ec7dd668bc8a6e3052a0d5fc6127ac8d

Aliases

arxiv: 0904.4195 · arxiv_version: 0904.4195v1 · doi: 10.48550/arxiv.0904.4195 · pith_short_12: TIQC4ZF727F2 · pith_short_16: TIQC4ZF727F2JAAL · pith_short_8: TIQC4ZF7

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/TIQC4ZF727F2JAALD6LU6WULUD \
  | 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: 9a202e64bfd7cba4800b1f974f5a8ba0ec7dd668bc8a6e3052a0d5fc6127ac8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "784efc54950e653e11574947333b2a6ddc5fa03ccac63ac81c7f576d72a25d23",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-04-27T15:50:02Z",
    "title_canon_sha256": "bf24caaa37fdce46f732e4c250fd2ea2697f54a5251550994459ed5514936402"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.4195",
    "kind": "arxiv",
    "version": 1
  }
}