Pith Number

pith:3QNB4T5O

pith:2026:3QNB4T5OMKTZWNGNWYVAVQXRGW

not attested not anchored not stored refs pending

Reliability-calibrated deep residual full-waveform inversion using geometry-invariant physics encoding: synthetic validation and zero-shot Marmousi-2 testing

Deepak Kumar, Jayant Nath Tripathi, Laxmidhar Behera

arxiv:2607.28535 v1 · 2026-07-30 · 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{3QNB4T5OMKTZWNGNWYVAVQXRGW}

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	2026-07-31T01:38:29.384272Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

dc1a1e4fae62a79b34cdb62a0ac2f135b26d970951f60958e5cd9d00bf68bf8b

Aliases

arxiv: 2607.28535 · arxiv_version: 2607.28535v1 · doi: 10.48550/arxiv.2607.28535 · pith_short_12: 3QNB4T5OMKTZ · pith_short_16: 3QNB4T5OMKTZWNGN · pith_short_8: 3QNB4T5O

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/3QNB4T5OMKTZWNGNWYVAVQXRGW \
  | 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: dc1a1e4fae62a79b34cdb62a0ac2f135b26d970951f60958e5cd9d00bf68bf8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "781687a9af01f94dd9051c0623911f26a4a8c4e5346a6494e5ce6eeb404076c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2026-07-30T17:03:17Z",
    "title_canon_sha256": "1abd7ded54d39f3dd0fb7597f4ecee4fa785dfab6ccec70c8df14efb483983ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.28535",
    "kind": "arxiv",
    "version": 1
  }
}