Pith Number

pith:OQRFTVU5

pith:2018:OQRFTVU5DRCCBWJMKKPGZ4F7SU

not attested not anchored not stored refs pending

Two-sphere swimmers in viscoelastic fluids

Babak Nasouri, Charu Datt, Gwynn J. Elfring

arxiv:1809.04268 v1 · 2018-09-12 · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OQRFTVU5DRCCBWJMKKPGZ4F7SU}

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	2026-05-18T00:05:52.918579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

742259d69d1c4420d92c529e6cf0bf953a5083301da0b2f08c0214a52eeb8cf0

Aliases

arxiv: 1809.04268 · arxiv_version: 1809.04268v1 · doi: 10.48550/arxiv.1809.04268 · pith_short_12: OQRFTVU5DRCC · pith_short_16: OQRFTVU5DRCCBWJM · pith_short_8: OQRFTVU5

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/OQRFTVU5DRCCBWJMKKPGZ4F7SU \
  | 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: 742259d69d1c4420d92c529e6cf0bf953a5083301da0b2f08c0214a52eeb8cf0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56463181275060bacb3ce24991d2b31ba61f807df4ecabf385dc0c7f18dc6f9a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2018-09-12T06:26:43Z",
    "title_canon_sha256": "67d967e01594b42064ffcf627996803497989da472a3cf2c961057502410f576"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.04268",
    "kind": "arxiv",
    "version": 1
  }
}