Pith Number

pith:IM63UYYE

pith:2011:IM63UYYEMIDGOFVL7TDA4RSX3C

not attested not anchored not stored refs pending

Invisibility carpet in a channel with a structured fluid

Guillaume Dupont, Sebastien Guenneau, Stefan Enoch

arxiv:1109.6739 v1 · 2011-09-30 · 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{IM63UYYEMIDGOFVL7TDA4RSX3C}

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	2026-05-18T04:11:52.577949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

433dba630462066716abfcc60e4657d8ad2b50d20bf0570cac19369fc0b1312c

Aliases

arxiv: 1109.6739 · arxiv_version: 1109.6739v1 · doi: 10.48550/arxiv.1109.6739 · pith_short_12: IM63UYYEMIDG · pith_short_16: IM63UYYEMIDGOFVL · pith_short_8: IM63UYYE

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/IM63UYYEMIDGOFVL7TDA4RSX3C \
  | 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: 433dba630462066716abfcc60e4657d8ad2b50d20bf0570cac19369fc0b1312c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82337af78db4cfa9e7a90cab599220aff51d082fd0365590fd8186b751152a13",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2011-09-30T07:54:26Z",
    "title_canon_sha256": "7005508dae7ddab11f975a3e66097f080d66117747bf9f539d89ed9a60b4d337"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.6739",
    "kind": "arxiv",
    "version": 1
  }
}