Pith Number

pith:OPVEBYIU

pith:2026:OPVEBYIUOZCDTHWJ73WMFYGTH4

not attested not anchored not stored refs pending

Learning Backward Transport for Source Localization

Lorenzo Piro, Maurizio Carbone

arxiv:2607.26892 v1 · 2026-07-29 · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OPVEBYIUOZCDTHWJ73WMFYGTH4}

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	2026-07-30T01:22:55.343617Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

73ea40e1147644399ec9feecc2e0d33f25e170e6ad7daa268cc5d2c968dc7df3

Aliases

arxiv: 2607.26892 · arxiv_version: 2607.26892v1 · doi: 10.48550/arxiv.2607.26892 · pith_short_12: OPVEBYIUOZCD · pith_short_16: OPVEBYIUOZCDTHWJ · pith_short_8: OPVEBYIU

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/OPVEBYIUOZCDTHWJ73WMFYGTH4 \
  | 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: 73ea40e1147644399ec9feecc2e0d33f25e170e6ad7daa268cc5d2c968dc7df3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b94032ae451d6807dbc567caa403f470535264148e2a4139e0ceb5204943c017",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2026-07-29T13:25:23Z",
    "title_canon_sha256": "3c0168bc1e6ea970fff7127f6385c4f4830d3a34877bb775972ef79f2d7e753c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.26892",
    "kind": "arxiv",
    "version": 1
  }
}