Pith Number

pith:R7IRG4GA

pith:2013:R7IRG4GADKITJWS5AI3476W63V

not attested not anchored not stored refs pending

Causality in Classical Physics

Asrarul Haque

arxiv:1312.2656 v1 · 2013-12-10 · physics.class-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{R7IRG4GADKITJWS5AI3476W63V}

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	2026-05-18T03:05:09.244648Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fd11370c01a9134da5d0237cffadedd79b57baf13120f910907cd33c9277b46

Aliases

arxiv: 1312.2656 · arxiv_version: 1312.2656v1 · doi: 10.48550/arxiv.1312.2656 · pith_short_12: R7IRG4GADKIT · pith_short_16: R7IRG4GADKITJWS5 · pith_short_8: R7IRG4GA

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/R7IRG4GADKITJWS5AI3476W63V \
  | 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: 8fd11370c01a9134da5d0237cffadedd79b57baf13120f910907cd33c9277b46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca6c810c8194ee916ce5e0bcbd13a05422aa8680798e55a7f16513773324fb23",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2013-12-10T03:29:55Z",
    "title_canon_sha256": "881fe262df946079181a6111796ef2dd4b677b4a8c39ea1cacd65be5e8ac752b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.2656",
    "kind": "arxiv",
    "version": 1
  }
}