Pith Number

pith:BBVMAIYD

pith:2011:BBVMAIYD5J4TGFCC2F2FGQMERF

not attested not anchored not stored refs pending

Counting Steps: A New Approach to Objective Probability in Physics

Amit Hagar, Giuseppe Sergioli

arxiv:1101.3521 v5 · 2011-01-18 · quant-ph · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BBVMAIYD5J4TGFCC2F2FGQMERF}

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	2026-05-18T03:30:28.370480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

086ac02303ea79331442d174534184894dfe95f298f174f0708371d7061bfe40

Aliases

arxiv: 1101.3521 · arxiv_version: 1101.3521v5 · doi: 10.48550/arxiv.1101.3521 · pith_short_12: BBVMAIYD5J4T · pith_short_16: BBVMAIYD5J4TGFCC · pith_short_8: BBVMAIYD

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/BBVMAIYD5J4TGFCC2F2FGQMERF \
  | 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: 086ac02303ea79331442d174534184894dfe95f298f174f0708371d7061bfe40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0008858229ec141bbac2e365cf2d89f1ef3dbf9b05970b99e1127bbfbd746f8",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-01-18T18:40:17Z",
    "title_canon_sha256": "2989bc583ded1c925f1a58c728b3f88ef2f8dd8a368b550e3c1c9a336466e088"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.3521",
    "kind": "arxiv",
    "version": 5
  }
}