Pith Number

pith:URPDO352

pith:2022:URPDO352N4J6TOFCFCBEGCBAMH

not attested not anchored not stored refs pending

Topological Speed Limit

Keiji Saito, Tan Van Vu

arxiv:2207.03319 v3 · 2022-07-07 · quant-ph · cond-mat.stat-mech · physics.bio-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{URPDO352N4J6TOFCFCBEGCBAMH}

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	2026-07-05T05:30:43.511486Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a45e376fba6f13e9b8a2288243082061c99e85754016c910cba95beae0434b0d

Aliases

arxiv: 2207.03319 · arxiv_version: 2207.03319v3 · doi: 10.48550/arxiv.2207.03319 · pith_short_12: URPDO352N4J6 · pith_short_16: URPDO352N4J6TOFC · pith_short_8: URPDO352

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/URPDO352N4J6TOFCFCBEGCBAMH \
  | 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: a45e376fba6f13e9b8a2288243082061c99e85754016c910cba95beae0434b0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2f13fd5dda24b48b32bea2e132477d22e735b103999219b3c1385cce985e564",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "physics.bio-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-07-07T14:22:47Z",
    "title_canon_sha256": "c0602d336a4db9d5b4e236b8b446ad1d06136fd8989a711ecf422f6e3b0d24de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.03319",
    "kind": "arxiv",
    "version": 3
  }
}