Pith Number

pith:MNEXCZ4O

pith:2018:MNEXCZ4OZ7PDRQ4C3HAIFCM5HW

not attested not anchored not stored refs pending

Toward Creating Subsurface Camera

Fangyu Li, Liang Zhao, Maria Valero, Wenzhan Song

arxiv:1810.12271 v1 · 2018-10-29 · eess.SP · 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{MNEXCZ4OZ7PDRQ4C3HAIFCM5HW}

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	2026-05-18T00:02:03.762469Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

634971678ecfde38c382d9c082899d3dbafe5623652d309a813e7f4ace479211

Aliases

arxiv: 1810.12271 · arxiv_version: 1810.12271v1 · doi: 10.48550/arxiv.1810.12271 · pith_short_12: MNEXCZ4OZ7PD · pith_short_16: MNEXCZ4OZ7PDRQ4C · pith_short_8: MNEXCZ4O

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/MNEXCZ4OZ7PDRQ4C3HAIFCM5HW \
  | 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: 634971678ecfde38c382d9c082899d3dbafe5623652d309a813e7f4ace479211

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1897d8dc02bcf2296f6ba239a35a20cce003765955fb78b4a170b1120ef4d080",
    "cross_cats_sorted": [
      "physics.geo-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-10-29T17:35:41Z",
    "title_canon_sha256": "f7b59e9882f15e72e9aa49d068d2df6b20cc4638179d07acf2e1e6faa7f28a57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.12271",
    "kind": "arxiv",
    "version": 1
  }
}