Pith Number

pith:PKYQHAJD

pith:2024:PKYQHAJDHELN2O3WANRHKSDOVN

not attested not anchored not stored refs pending

TomoATT: An open-source package for Eikonal equation-based adjoint-state traveltime tomography for seismic velocity and azimuthal anisotropy

Jing Chen, Masaru Nagaso, Mijian Xu, Ping Tong

arxiv:2412.00031 v1 · 2024-11-21 · 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{PKYQHAJDHELN2O3WANRHKSDOVN}

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	2026-07-05T09:42:34.971336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ab10381233916dd3b76036275486eab514b0928140978dd02b660c5e7bff83a

Aliases

arxiv: 2412.00031 · arxiv_version: 2412.00031v1 · doi: 10.48550/arxiv.2412.00031 · pith_short_12: PKYQHAJDHELN · pith_short_16: PKYQHAJDHELN2O3W · pith_short_8: PKYQHAJD

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/PKYQHAJDHELN2O3WANRHKSDOVN \
  | 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: 7ab10381233916dd3b76036275486eab514b0928140978dd02b660c5e7bff83a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a08ca7d133576f55974e75292dd0ccf06e5cab6b20aa04848b70d82a598c120e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2024-11-21T03:33:31Z",
    "title_canon_sha256": "6876ebee768ca66d48114690e34585cf16930d77b38c1bbb9c89c9272f6c1fe0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.00031",
    "kind": "arxiv",
    "version": 1
  }
}