Pith Number

pith:Q7MBHFVA

pith:2009:Q7MBHFVAZGSK3WBHHBRPJR4OGI

not attested not anchored not stored refs pending

MRI investigation of granular interface rheology using a new cylinder shear apparatus

Alain Corfdir (UR Navier), Fran\c{c}ois Bertrand (UR Navier), Fran\c{c}ois Chevoir (UR Navier), Georg Koval (UR Navier), Jean-Noel Roux (UR Navier), Laurent Tocquer (UR Navier), Pascal Moucheront (UR Navier), St\'ephane Rodts (UR Navier)

arxiv:0912.4690 v1 · 2009-12-23 · physics.flu-dyn · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q7MBHFVAZGSK3WBHHBRPJR4OGI}

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	2026-05-18T04:13:05.836215Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87d81396a0c9a4add8273862f4c78e323ee1162270001c4a9787fc1cb56eefd5

Aliases

arxiv: 0912.4690 · arxiv_version: 0912.4690v1 · doi: 10.48550/arxiv.0912.4690 · pith_short_12: Q7MBHFVAZGSK · pith_short_16: Q7MBHFVAZGSK3WBH · pith_short_8: Q7MBHFVA

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/Q7MBHFVAZGSK3WBHHBRPJR4OGI \
  | 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: 87d81396a0c9a4add8273862f4c78e323ee1162270001c4a9787fc1cb56eefd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b80a386c9f06891b225b2affb2a31e08c8d887993cafc142a474ac821d425e0c",
    "cross_cats_sorted": [
      "physics.ins-det"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2009-12-23T16:55:52Z",
    "title_canon_sha256": "b48177e6de18d1b90a3140b061162c1d8fd1ddb3b0c313615c168f004fb729a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.4690",
    "kind": "arxiv",
    "version": 1
  }
}