Pith Number

pith:IGUKQZSH

pith:2013:IGUKQZSHOLX3643AL4QJA77ZHJ

not attested not anchored not stored refs pending

Discrete mechanics, time machines and hybrid systems

Hans-Thomas Elze

arxiv:1310.2862 v1 · 2013-10-10 · quant-ph · gr-qc · 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{IGUKQZSHOLX3643AL4QJA77ZHJ}

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	2026-05-18T03:10:46.437907Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41a8a8664772efbf73605f20907ff93a697244a8008a1c22b7a5d76a4bf9ae01

Aliases

arxiv: 1310.2862 · arxiv_version: 1310.2862v1 · doi: 10.48550/arxiv.1310.2862 · pith_short_12: IGUKQZSHOLX3 · pith_short_16: IGUKQZSHOLX3643A · pith_short_8: IGUKQZSH

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/IGUKQZSHOLX3643AL4QJA77ZHJ \
  | 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: 41a8a8664772efbf73605f20907ff93a697244a8008a1c22b7a5d76a4bf9ae01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83410a384f5e0e0b7ea8088f32f3c91df4eaa4474b27d158ebae71f686acf261",
    "cross_cats_sorted": [
      "gr-qc",
      "physics.class-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-10-10T15:52:09Z",
    "title_canon_sha256": "3ea98670d971c1ca270809f3a9910547a2e1700bad80f71c523d25977f07673b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.2862",
    "kind": "arxiv",
    "version": 1
  }
}