Pith Number

pith:V2SSXAGG

pith:2026:V2SSXAGGBLH4ANKDBPVLLIS4QD

not attested not anchored not stored refs pending

FLUXtrapolation: A benchmark on extrapolating ecosystem fluxes

Anya Fries, Jacob A Nelson, Jonas Peters, Markus Reichstein, Martin Jung

arxiv:2605.19812 v1 · 2026-05-19 · cs.LG · cs.AI · stat.AP · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V2SSXAGGBLH4ANKDBPVLLIS4QD}

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	2026-05-20T01:06:15.778526Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aea52b80c60acfc035430beab5a25c80d53275e99ae49736f9f53d113cbff6e0

Aliases

arxiv: 2605.19812 · arxiv_version: 2605.19812v1 · doi: 10.48550/arxiv.2605.19812 · pith_short_12: V2SSXAGGBLH4 · pith_short_16: V2SSXAGGBLH4ANKD · pith_short_8: V2SSXAGG

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/V2SSXAGGBLH4ANKDBPVLLIS4QD \
  | 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: aea52b80c60acfc035430beab5a25c80d53275e99ae49736f9f53d113cbff6e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11e2598d556da7bb310d0756dad346054fbcc620d1386e01d497fd011231bd17",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.AP",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-19T13:09:05Z",
    "title_canon_sha256": "9c8fd69ad1b6e7436840e8803a3395310290ad383e7e854eac9e3c8b1739006a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.19812",
    "kind": "arxiv",
    "version": 1
  }
}