Pith Number

pith:I7EIMYOO

pith:2017:I7EIMYOOTYXHHQMLJP4FAT7SCK

not attested not anchored not stored refs pending

A Logic of Blockchain Updates

Dandolo Flumini, Kai Br\"unnler, Thomas Studer

arxiv:1707.01766 v1 · 2017-07-06 · 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{I7EIMYOOTYXHHQMLJP4FAT7SCK}

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	2026-05-18T00:40:47.528182Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47c88661ce9e2e73c18b4bf8504ff212821c55e5a8b020711f5c97d9454bc14c

Aliases

arxiv: 1707.01766 · arxiv_version: 1707.01766v1 · doi: 10.48550/arxiv.1707.01766 · pith_short_12: I7EIMYOOTYXH · pith_short_16: I7EIMYOOTYXHHQML · pith_short_8: I7EIMYOO

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/I7EIMYOOTYXHHQMLJP4FAT7SCK \
  | 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: 47c88661ce9e2e73c18b4bf8504ff212821c55e5a8b020711f5c97d9454bc14c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "383d1567f1ef0fedab34cfa7625c2730fc95c8044df8c880fc96a8df2086f530",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2017-07-06T13:03:04Z",
    "title_canon_sha256": "e130f0669e61efbcd25aefa41d58b10053499e89eabe535e488a985c8c43d334"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.01766",
    "kind": "arxiv",
    "version": 1
  }
}