Pith Number

pith:QQZPHTBH

pith:2015:QQZPHTBHITHRYFLJ5RO77LORMM

not attested not anchored not stored refs pending

Hydrodynamic oscillations and variable swimming speed in squirmers close to repulsive walls

Aidan T. Brown, Davide Marenduzzo, Juho S. Lintuvuori, Kevin Stratford

arxiv:1508.04255 v2 · 2015-08-18 · cond-mat.soft · physics.bio-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QQZPHTBHITHRYFLJ5RO77LORMM}

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	2026-05-18T01:18:09.564611Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8432f3cc2744cf1c1569ec5dffadd16339d79a51b3d59c5309761f131004f68f

Aliases

arxiv: 1508.04255 · arxiv_version: 1508.04255v2 · doi: 10.48550/arxiv.1508.04255 · pith_short_12: QQZPHTBHITHR · pith_short_16: QQZPHTBHITHRYFLJ · pith_short_8: QQZPHTBH

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/QQZPHTBHITHRYFLJ5RO77LORMM \
  | 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: 8432f3cc2744cf1c1569ec5dffadd16339d79a51b3d59c5309761f131004f68f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ab3e3ed43dad36699b9eba1ca0d7ee30a04a50c85f67a4cf6bebedeaee9354a",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2015-08-18T09:23:28Z",
    "title_canon_sha256": "09c11ed1c2b42b0d88b80e12110291ee45bef0fcf14ab47351aa5519264342aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.04255",
    "kind": "arxiv",
    "version": 2
  }
}