Pith Number

pith:JHRPA57N

pith:2021:JHRPA57NEPFPQV7U33M3JN4WLO

not attested not anchored not stored refs pending

Morphodynamics of barchan-barchan interactions investigated at the grain scale

Erick de Moraes Franklin, Willian Righi Assis

arxiv:2108.02062 v1 · 2021-08-04 · physics.geo-ph · 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{JHRPA57NEPFPQV7U33M3JN4WLO}

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	2026-07-05T03:07:51.202393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49e2f077ed23caf857f4ded9b4b7965b954f0d37ae9e21b96daeacba7cc1809b

Aliases

arxiv: 2108.02062 · arxiv_version: 2108.02062v1 · doi: 10.48550/arxiv.2108.02062 · pith_short_12: JHRPA57NEPFP · pith_short_16: JHRPA57NEPFPQV7U · pith_short_8: JHRPA57N

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/JHRPA57NEPFPQV7U33M3JN4WLO \
  | 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: 49e2f077ed23caf857f4ded9b4b7965b954f0d37ae9e21b96daeacba7cc1809b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ec6e1820b71c08f4b79397cd79b99969a07bc546228e7df273fbf94c81a3571",
    "cross_cats_sorted": [
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2021-08-04T13:47:08Z",
    "title_canon_sha256": "995fb8ee5f63b33d3bd4065357ec6d3645e8bdc6198648666e8d527638f86e06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.02062",
    "kind": "arxiv",
    "version": 1
  }
}