Pith Number

pith:APSB4GI4

pith:2019:APSB4GI4T6KPM7WJC5NCI23Z7J

not attested not anchored not stored refs pending

Reduction of conceptual model uncertainty using ground-penetrating radar profiles: Field-demonstration for a braided-river aquifer

Emanuel Huber, Guillaume Pirot, James Irving, Niklas Linde

arxiv:1901.09998 v1 · 2019-01-28 · 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{APSB4GI4T6KPM7WJC5NCI23Z7J}

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	2026-05-17T23:55:16.402391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03e41e191c9f94f67ec9175a246b79fa69f488de1d362f4e651c97173b72b0b7

Aliases

arxiv: 1901.09998 · arxiv_version: 1901.09998v1 · doi: 10.48550/arxiv.1901.09998 · pith_short_12: APSB4GI4T6KP · pith_short_16: APSB4GI4T6KPM7WJ · pith_short_8: APSB4GI4

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/APSB4GI4T6KPM7WJC5NCI23Z7J \
  | 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: 03e41e191c9f94f67ec9175a246b79fa69f488de1d362f4e651c97173b72b0b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d98faaf1fddb268b9096eb09c86dc52fba0e8ddfe69fc1276eea76989827c46b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2019-01-28T20:48:15Z",
    "title_canon_sha256": "5cc8404a765827a22566fc7e27a53f0db3d19b36650208b257a0091eac902605"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.09998",
    "kind": "arxiv",
    "version": 1
  }
}