Pith Number

pith:7VWPAWOV

pith:2015:7VWPAWOV44ED3VAYW7H5ZL3K7O

not attested not anchored not stored refs pending

The thermodynamics of time

Dries Sels, Michiel Wouters

arxiv:1501.05567 v1 · 2015-01-22 · quant-ph · 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{7VWPAWOV44ED3VAYW7H5ZL3K7O}

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	2026-05-18T02:28:54.455995Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd6cf059d5e7083dd418b7cfdcaf6afb9ac758e7a0362acf4a5ffa430bccf2b0

Aliases

arxiv: 1501.05567 · arxiv_version: 1501.05567v1 · doi: 10.48550/arxiv.1501.05567 · pith_short_12: 7VWPAWOV44ED · pith_short_16: 7VWPAWOV44ED3VAY · pith_short_8: 7VWPAWOV

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/7VWPAWOV44ED3VAYW7H5ZL3K7O \
  | 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: fd6cf059d5e7083dd418b7cfdcaf6afb9ac758e7a0362acf4a5ffa430bccf2b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67b588169c4eb5a6b9b80978b960db05553509378db144ae32cfca2ec7999797",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-01-22T16:44:02Z",
    "title_canon_sha256": "79cc2ce04f4646fdbf82ef366a3209ec141d92bd0d47d37cd0c19c94591e7199"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.05567",
    "kind": "arxiv",
    "version": 1
  }
}