Pith Number

pith:PUS77DY2

pith:2017:PUS77DY2P2ASXEPDEHB2JA2JWA

not attested not anchored not stored refs pending

First Passage Time in Computation by Tape-Copying Turing Machines: Slippage of Nascent Tape

Debashish Chowdhury, Shubhadeep Patra, Soumendu Ghosh

arxiv:1703.10409 v2 · 2017-03-30 · physics.bio-ph · cond-mat.stat-mech · physics.chem-ph · q-bio.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PUS77DY2P2ASXEPDEHB2JA2JWA}

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	2026-05-18T00:46:18.382439Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d25ff8f1a7e812b91e321c3a48349b0006ddd85775af42aeb596013a9bd9432

Aliases

arxiv: 1703.10409 · arxiv_version: 1703.10409v2 · doi: 10.48550/arxiv.1703.10409 · pith_short_12: PUS77DY2P2AS · pith_short_16: PUS77DY2P2ASXEPD · pith_short_8: PUS77DY2

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/PUS77DY2P2ASXEPDEHB2JA2JWA \
  | 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: 7d25ff8f1a7e812b91e321c3a48349b0006ddd85775af42aeb596013a9bd9432

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4352e74ca58c1ad9a9b27fa4d36c19edce4bf7eabbceeac272bcfa918b0e5061",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "physics.chem-ph",
      "q-bio.SC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2017-03-30T11:12:54Z",
    "title_canon_sha256": "d4bfb7de444826c144d4c217f45b4a81f6192cd8178659dc05d840940ab6c8fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.10409",
    "kind": "arxiv",
    "version": 2
  }
}