Pith Number

pith:DPINQ46W

pith:2013:DPINQ46WVYG4URKWTAKYBGI34Q

not attested not anchored not stored refs pending

Does the first part of the second law also imply its second part?

N. D. Hari Dass

arxiv:1306.1937 v1 · 2013-06-08 · physics.hist-ph · 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{DPINQ46WVYG4URKWTAKYBGI34Q}

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	2026-05-18T03:21:09.943778Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bd0d873d6ae0dca4556981580991be400670e4c94bc4ebcd6ce56341bde95a8

Aliases

arxiv: 1306.1937 · arxiv_version: 1306.1937v1 · doi: 10.48550/arxiv.1306.1937 · pith_short_12: DPINQ46WVYG4 · pith_short_16: DPINQ46WVYG4URKW · pith_short_8: DPINQ46W

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/DPINQ46WVYG4URKWTAKYBGI34Q \
  | 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: 1bd0d873d6ae0dca4556981580991be400670e4c94bc4ebcd6ce56341bde95a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efe4cfd223299a8184a7be4707ecf75d7763cf1a2ca55bce6981c8e5428b5fb8",
    "cross_cats_sorted": [
      "physics.class-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2013-06-08T15:51:44Z",
    "title_canon_sha256": "31141249097cdacc4490680dce6786af6e5dc615164e88e3362fa764cb52efb9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.1937",
    "kind": "arxiv",
    "version": 1
  }
}