Pith Number

pith:RQFZ74V4

pith:2016:RQFZ74V4EPVHOFLIWQRLUDBWVY

not attested not anchored not stored refs pending

River-bed armoring as a granular segregation phenomenon

Behrooz Ferdowsi, Carlos P. Ortiz, Douglas J. Jerolmack, Morgane Houssais

arxiv:1609.06673 v1 · 2016-09-21 · physics.geo-ph · cond-mat.soft

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RQFZ74V4EPVHOFLIWQRLUDBWVY}

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	2026-05-18T00:30:46.814237Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c0b9ff2bc23ea771568b422ba0c36ae09e9f2ab1083e5f2531533b0608ec32b

Aliases

arxiv: 1609.06673 · arxiv_version: 1609.06673v1 · doi: 10.48550/arxiv.1609.06673 · pith_short_12: RQFZ74V4EPVH · pith_short_16: RQFZ74V4EPVHOFLI · pith_short_8: RQFZ74V4

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/RQFZ74V4EPVHOFLIWQRLUDBWVY \
  | 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: 8c0b9ff2bc23ea771568b422ba0c36ae09e9f2ab1083e5f2531533b0608ec32b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "351235efb3e7f4cdbfce685c2c75577bc1b0e459ed3d0d97b2a5c04da31f3ddf",
    "cross_cats_sorted": [
      "cond-mat.soft"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2016-09-21T18:42:03Z",
    "title_canon_sha256": "7087f693f61690da7b944a2eada4e9aaffb9044bb52d43f0c718b18ede2aa288"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.06673",
    "kind": "arxiv",
    "version": 1
  }
}