Pith Number

pith:PUSAS4TR

pith:2018:PUSAS4TRWMNE2FVIET24BANNOU

not attested not anchored not stored refs pending

Subatomic systems need not be subatomic

Luca Roversi

arxiv:1804.08105 v1 · 2018-04-22 · cs.LO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PUSAS4TRWMNE2FVIET24BANNOU}

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	2026-05-18T00:17:49.534732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d24097271b31a4d16a824f5c081ad75200e1c2a0b5bc13330a411c8f7a76299

Aliases

arxiv: 1804.08105 · arxiv_version: 1804.08105v1 · doi: 10.48550/arxiv.1804.08105 · pith_short_12: PUSAS4TRWMNE · pith_short_16: PUSAS4TRWMNE2FVI · pith_short_8: PUSAS4TR

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/PUSAS4TRWMNE2FVIET24BANNOU \
  | 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: 7d24097271b31a4d16a824f5c081ad75200e1c2a0b5bc13330a411c8f7a76299

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1079cd145e84741d3e8bc1ca60932b1b2d7fcbe28dba613d25434d64ef1edb0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-04-22T12:32:41Z",
    "title_canon_sha256": "421dc57acac5c34cff5b39b4cc98241b0112af00992d73d64d1b011546cb540c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08105",
    "kind": "arxiv",
    "version": 1
  }
}