Pith Number

pith:SCTKAQDK

pith:2025:SCTKAQDKOCP6VUJOWIDIQEIYA3

not attested not anchored not stored refs pending

ALBATROSS: Cheap Filtration Based Geometry via Stochastic Sub-Sampling

Andrew J. Stier, Chad Giusti, Marc G. Berman, Naichen Shi, Raed Al Kontar

arxiv:2509.03681 v1 · 2025-09-03 · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SCTKAQDKOCP6VUJOWIDIQEIYA3}

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	2026-07-05T12:04:44.231275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90a6a0406a709fead12eb20688111806e767f117fd1049e65d0996ffff9ee579

Aliases

arxiv: 2509.03681 · arxiv_version: 2509.03681v1 · doi: 10.48550/arxiv.2509.03681 · pith_short_12: SCTKAQDKOCP6 · pith_short_16: SCTKAQDKOCP6VUJO · pith_short_8: SCTKAQDK

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/SCTKAQDKOCP6VUJOWIDIQEIYA3 \
  | 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: 90a6a0406a709fead12eb20688111806e767f117fd1049e65d0996ffff9ee579

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82e0de7f796a48cc2b54ef019103607522ab978ed35b55b8a1ee1db40a6ccf43",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2025-09-03T20:00:20Z",
    "title_canon_sha256": "8ef43f897d796149fffd40e0099c10c9c7e01ec3a8c19f0eb117be6ec348ad33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.03681",
    "kind": "arxiv",
    "version": 1
  }
}