Pith Number

pith:TFVP3VAK

pith:2019:TFVP3VAKP2LFRRJAVKMI5RDOLV

not attested not anchored not stored refs pending

The direction of time and Boltzmann's time hypothesis

A.Y. Klimenko

arxiv:1903.03617 v1 · 2019-03-08 · quant-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{TFVP3VAKP2LFRRJAVKMI5RDOLV}

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	2026-05-17T23:51:41.461842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

996afdd40a7e9658c520aa988ec46e5d7d9b67ce774afa693ec7e3c91d9bfa75

Aliases

arxiv: 1903.03617 · arxiv_version: 1903.03617v1 · doi: 10.48550/arxiv.1903.03617 · pith_short_12: TFVP3VAKP2LF · pith_short_16: TFVP3VAKP2LFRRJA · pith_short_8: TFVP3VAK

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/TFVP3VAKP2LFRRJAVKMI5RDOLV \
  | 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: 996afdd40a7e9658c520aa988ec46e5d7d9b67ce774afa693ec7e3c91d9bfa75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5bba4cc28f19cc1010b94e8ecd41d3a013aaf348325b23e34a7b8dd474fb1e7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-03-08T18:30:53Z",
    "title_canon_sha256": "9762ddd2a14351dca40fa4eebb463eda406e85337a00665ab51da0f86dc5dcaa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.03617",
    "kind": "arxiv",
    "version": 1
  }
}