Pith Number

pith:GJKN37OP

pith:2019:GJKN37OPIMECTMUD5BMHZC7UCJ

not attested not anchored not stored refs pending

4D Seismic History Matching Incorporating Unsupervised Learning

Clement Etienam

arxiv:1905.07469 v1 · 2019-05-16 · eess.IV · cs.LG · math.OC · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GJKN37OPIMECTMUD5BMHZC7UCJ}

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	2026-05-17T23:45:51.276072Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3254ddfdcf430829b283e8587c8bf41242caa33c50ca093bb4007f87dc029646

Aliases

arxiv: 1905.07469 · arxiv_version: 1905.07469v1 · doi: 10.48550/arxiv.1905.07469 · pith_short_12: GJKN37OPIMEC · pith_short_16: GJKN37OPIMECTMUD · pith_short_8: GJKN37OP

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/GJKN37OPIMECTMUD5BMHZC7UCJ \
  | 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: 3254ddfdcf430829b283e8587c8bf41242caa33c50ca093bb4007f87dc029646

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2abcd703735723c37e0a43c80ee2952c6b1a7f78217734eed4a8f1557704967",
    "cross_cats_sorted": [
      "cs.LG",
      "math.OC",
      "stat.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2019-05-16T06:27:56Z",
    "title_canon_sha256": "912e2ef49be15f77ae4fdec3f61a3b05f79725663602da3dc94d0f58b4973fc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.07469",
    "kind": "arxiv",
    "version": 1
  }
}