Pith Number

pith:V7MMDKVS

pith:2007:V7MMDKVSQJ6PSVSQBFGKT27R37

not attested not anchored not stored refs pending

Parabolic dunes in north-eastern Brazil

H. J. Herrmann, L. J. C. Bezerra, L. P. Maia, M. V. N. Silva, O. Duran

arxiv:0708.4368 v1 · 2007-08-31 · physics.geo-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V7MMDKVSQJ6PSVSQBFGKT27R37}

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	2026-05-18T02:16:21.866837Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

afd8c1aab2827cf95650094ca9ebf1dfc705ec1b0e6f69338c91f45d7cbb37a9

Aliases

arxiv: 0708.4368 · arxiv_version: 0708.4368v1 · doi: 10.48550/arxiv.0708.4368 · pith_short_12: V7MMDKVSQJ6P · pith_short_16: V7MMDKVSQJ6PSVSQ · pith_short_8: V7MMDKVS

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/V7MMDKVSQJ6PSVSQBFGKT27R37 \
  | 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: afd8c1aab2827cf95650094ca9ebf1dfc705ec1b0e6f69338c91f45d7cbb37a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9cdf2ad5a198e2abb3ef8f0984daa42cf2339a5f519e0d2f0ca1d7ff5cae45c8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2007-08-31T15:19:36Z",
    "title_canon_sha256": "15c80c60645fa2d5adb709fce6417fc975c2bc0daf16a04c77828d6a00df83a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0708.4368",
    "kind": "arxiv",
    "version": 1
  }
}