Pith Number

pith:OBCCB7MB

pith:2008:OBCCB7MBVABRAT2H3YNXNIAG4G

not attested not anchored not stored refs pending

How efficient is towing a cargo by a micro-swimmer?

Alexander M. Leshansky, Oren Raz

arxiv:0801.3884 v1 · 2008-01-25 · 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{OBCCB7MBVABRAT2H3YNXNIAG4G}

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	2026-05-18T02:16:01.568628Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

704420fd81a803104f47de1b76a006e18a7d31c424779da8e769e37cff99aef4

Aliases

arxiv: 0801.3884 · arxiv_version: 0801.3884v1 · doi: 10.48550/arxiv.0801.3884 · pith_short_12: OBCCB7MBVABR · pith_short_16: OBCCB7MBVABRAT2H · pith_short_8: OBCCB7MB

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/OBCCB7MBVABRAT2H3YNXNIAG4G \
  | 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: 704420fd81a803104f47de1b76a006e18a7d31c424779da8e769e37cff99aef4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e0b5722fdf46d9eef000edc6ead98b943e64f274b1347e32944db4bc478e15b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2008-01-25T06:21:27Z",
    "title_canon_sha256": "225e3c88fdc457671eb1ebb6433cfb7c60253311483b13cd82190d433d9340cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.3884",
    "kind": "arxiv",
    "version": 1
  }
}