Pith Number

pith:QHQ3EV7H

pith:2021:QHQ3EV7HQVQIWC5EIWBSOSJHAS

not attested not anchored not stored refs pending

Autonomous Inversion of In Situ Deformation Measurement Data for CO2 Storage Decision Support

Alexandre Tartakovsky, Eric Darve, Jeff Burghardt, Kailai Xu, Ting Bao

arxiv:2109.12203 v1 · 2021-09-24 · 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{QHQ3EV7HQVQIWC5EIWBSOSJHAS}

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	2026-07-05T03:17:17.666734Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81e1b257e785608b0ba445832749270482a5c905b3b051c865d8b05a5f2234fc

Aliases

arxiv: 2109.12203 · arxiv_version: 2109.12203v1 · doi: 10.48550/arxiv.2109.12203 · pith_short_12: QHQ3EV7HQVQI · pith_short_16: QHQ3EV7HQVQIWC5E · pith_short_8: QHQ3EV7H

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/QHQ3EV7HQVQIWC5EIWBSOSJHAS \
  | 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: 81e1b257e785608b0ba445832749270482a5c905b3b051c865d8b05a5f2234fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb300e673be9dfb26d99f2fe9cdcc3495359291a97e6c01b2f664cf0711fcac1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2021-09-24T21:28:36Z",
    "title_canon_sha256": "71742a4a50f0516bc7e4a9fb38659b88cc192bc97ca4b4331082de494d5ca9e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.12203",
    "kind": "arxiv",
    "version": 1
  }
}