Pith Number

pith:SVJAWM6W

pith:2016:SVJAWM6WBOQLU2IR6MJG6TK3RL

not attested not anchored not stored refs pending

Double-difference adjoint seismic tomography

Frederik J. Simons, Jeroen Tromp, Yanhua O. Yuan

arxiv:1607.01811 v1 · 2016-07-06 · physics.geo-ph · physics.comp-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{SVJAWM6WBOQLU2IR6MJG6TK3RL}

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	2026-05-18T01:11:23.219130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95520b33d60ba0ba6911f3126f4d5b8ac0ce3e6707b76b274ef59739d2a0139a

Aliases

arxiv: 1607.01811 · arxiv_version: 1607.01811v1 · doi: 10.48550/arxiv.1607.01811 · pith_short_12: SVJAWM6WBOQL · pith_short_16: SVJAWM6WBOQLU2IR · pith_short_8: SVJAWM6W

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/SVJAWM6WBOQLU2IR6MJG6TK3RL \
  | 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: 95520b33d60ba0ba6911f3126f4d5b8ac0ce3e6707b76b274ef59739d2a0139a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d2a34264278267c767f504289acb403f175e22365458c646486e181f02fa236",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2016-07-06T20:46:27Z",
    "title_canon_sha256": "aaa814d18c9e2d57b5874b155d1e883f678957d4855ed649e8e4b2db878a9b7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.01811",
    "kind": "arxiv",
    "version": 1
  }
}