Pith Number

pith:YQVP7TYO

pith:2018:YQVP7TYOBP3T55CU7NRTE46DCF

not attested not anchored not stored refs pending

Feasibility of a markerless tracking system based on optical coherence tomography

Alexander Schlaefer, Christoph Otte, Matthias Schl\"uter, Nils Gessert, Thore Saathoff

arxiv:1810.12355 v2 · 2018-10-29 · physics.med-ph · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YQVP7TYOBP3T55CU7NRTE46DCF}

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	2026-05-17T23:56:29.261379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c42affcf0e0bf73ef454fb633273c31171352140c6364cea8bc5c58f6bdad0dc

Aliases

arxiv: 1810.12355 · arxiv_version: 1810.12355v2 · doi: 10.48550/arxiv.1810.12355 · pith_short_12: YQVP7TYOBP3T · pith_short_16: YQVP7TYOBP3T55CU · pith_short_8: YQVP7TYO

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/YQVP7TYOBP3T55CU7NRTE46DCF \
  | 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: c42affcf0e0bf73ef454fb633273c31171352140c6364cea8bc5c58f6bdad0dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "789bb7bc31c274f86d9715281c6869c93c52ac9ad6639d19bedb2d8e7b401ef2",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2018-10-29T19:01:23Z",
    "title_canon_sha256": "a7e42e7da835f85c73e4bf05c42e6629cdaccefd7b1405153c2bb9a0bf1e3b8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.12355",
    "kind": "arxiv",
    "version": 2
  }
}