Pith Number

pith:C4SXK4MD

pith:2016:C4SXK4MDM2YVGCIOKGRDQTBIV4

not attested not anchored not stored refs pending

FO-definable transformations of infinite strings

Ashutosh Trivedi, Shankara Narayanan Krishna, Vrunda Dave

arxiv:1607.04910 v1 · 2016-07-17 · cs.FL · 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{C4SXK4MDM2YVGCIOKGRDQTBIV4}

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	2026-05-18T01:10:46.956209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

172575718366b153090e51a2384c28af14a6d39823b8a4d010523e7e2381f491

Aliases

arxiv: 1607.04910 · arxiv_version: 1607.04910v1 · doi: 10.48550/arxiv.1607.04910 · pith_short_12: C4SXK4MDM2YV · pith_short_16: C4SXK4MDM2YVGCIO · pith_short_8: C4SXK4MD

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/C4SXK4MDM2YVGCIOKGRDQTBIV4 \
  | 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: 172575718366b153090e51a2384c28af14a6d39823b8a4d010523e7e2381f491

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5e2174a69a0f349c661b24d5fccde8dce864ce26eda67aa7ad1ec1da84ca7cd",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2016-07-17T19:39:46Z",
    "title_canon_sha256": "3bd9c3421ddc94a93e55a1fa8bca730c009b266ffed960503a2fcfca8f6623f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.04910",
    "kind": "arxiv",
    "version": 1
  }
}