Pith Number

pith:A3JVBW7F

pith:2020:A3JVBW7FGGRNROOY2TPHSQIIQU

not attested not anchored not stored refs pending

Estimation of vegetation loss coefficients and canopy penetration depths from SMAP radiometer and IceSAT lidar data

A. Fink, D. Entekhabi, M. Baur, M. Link, M. Piles, T. Jagdhuber

arxiv:2012.03318 v1 · 2020-12-06 · physics.ao-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{A3JVBW7FGGRNROOY2TPHSQIIQU}

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	2026-07-05T01:57:28.355843Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06d350dbe531a2d8b9d8d4de794108853d03602b89e8a0c75e72a7b2ca970fd6

Aliases

arxiv: 2012.03318 · arxiv_version: 2012.03318v1 · doi: 10.48550/arxiv.2012.03318 · pith_short_12: A3JVBW7FGGRN · pith_short_16: A3JVBW7FGGRNROOY · pith_short_8: A3JVBW7F

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/A3JVBW7FGGRNROOY2TPHSQIIQU \
  | 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: 06d350dbe531a2d8b9d8d4de794108853d03602b89e8a0c75e72a7b2ca970fd6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fb26b4bd2226f8e9ab15bf8f0db4ae29e8ebeaab191897ff1585889ed91d676",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2020-12-06T16:46:03Z",
    "title_canon_sha256": "dc4eb184d08eb43c62e96f6142924718fe6d8e3fa729e86bc5db227a50aec9b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.03318",
    "kind": "arxiv",
    "version": 1
  }
}