Pith Number

pith:T2G77LJW

pith:2017:T2G77LJWQ3FE5V7K7GTSJ32TMS

not attested not anchored not stored refs pending

Space-Bounded OTMs and REG$^{\infty}$

Merlin Carl

arxiv:1707.05297 v3 · 2017-07-17 · math.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{T2G77LJWQ3FE5V7K7GTSJ32TMS}

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	2026-05-20T00:05:23.346944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e8dffad3686ca4ed7eaf9a724ef5364a3556216df6e623bb12500a2a630519a

Aliases

arxiv: 1707.05297 · arxiv_version: 1707.05297v3 · doi: 10.48550/arxiv.1707.05297 · pith_short_12: T2G77LJWQ3FE · pith_short_16: T2G77LJWQ3FE5V7K · pith_short_8: T2G77LJW

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/T2G77LJWQ3FE5V7K7GTSJ32TMS \
  | 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: 9e8dffad3686ca4ed7eaf9a724ef5364a3556216df6e623bb12500a2a630519a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61396c72cffb4e51b42194e3a74933aa23659800ac26fb153643fc307e0ad9b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2017-07-17T17:49:30Z",
    "title_canon_sha256": "b19b549c1d1ed4234113be5023ba12140362499b0884ff656fc480373717b35a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.05297",
    "kind": "arxiv",
    "version": 3
  }
}