Pith Number

pith:GXOYYVMA

pith:2025:GXOYYVMAJTJXDNGLJFK2WMXW5E

not attested not anchored not stored refs pending

A high-resolution discourse on seismic tomography

Andreas Fichtner, Jeroen Ritsema, Solvi Thrastarson

arxiv:2501.14301 v1 · 2025-01-24 · physics.geo-ph · physics.app-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{GXOYYVMAJTJXDNGLJFK2WMXW5E}

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	2026-07-05T10:04:48.314879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35dd8c55804cd371b4cb4955ab32f6e931f5eff1bed24d2d20f5f18bd22d926d

Aliases

arxiv: 2501.14301 · arxiv_version: 2501.14301v1 · doi: 10.48550/arxiv.2501.14301 · pith_short_12: GXOYYVMAJTJX · pith_short_16: GXOYYVMAJTJXDNGL · pith_short_8: GXOYYVMA

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/GXOYYVMAJTJXDNGLJFK2WMXW5E \
  | 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: 35dd8c55804cd371b4cb4955ab32f6e931f5eff1bed24d2d20f5f18bd22d926d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af6f8725b230262ad2b0f9a57164308a597017e57f08e751997085123f527be6",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2025-01-24T07:51:29Z",
    "title_canon_sha256": "071621ee807f7db1a9bc0ea47368483310afe02d7287779fd95a491f3fb4c3cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.14301",
    "kind": "arxiv",
    "version": 1
  }
}