Pith Number

pith:QABKGSEE

pith:2020:QABKGSEEWHPY3Q4MGDLNSZUUQH

not attested not anchored not stored refs pending

Industrial applications of digital rock technology

Carl Fredrik Berg, H{\aa}vard Berland, Olivier Lopez

arxiv:2005.02815 v1 · 2020-05-02 · 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{QABKGSEEWHPY3Q4MGDLNSZUUQH}

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	2026-07-05T01:00:56.323008Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8002a34884b1df8dc38c30d6d9669481f0f789e4617cffdc255cfc556108c17a

Aliases

arxiv: 2005.02815 · arxiv_version: 2005.02815v1 · doi: 10.48550/arxiv.2005.02815 · pith_short_12: QABKGSEEWHPY · pith_short_16: QABKGSEEWHPY3Q4M · pith_short_8: QABKGSEE

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/QABKGSEEWHPY3Q4MGDLNSZUUQH \
  | 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: 8002a34884b1df8dc38c30d6d9669481f0f789e4617cffdc255cfc556108c17a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a7da8a85c0d316fd1b5a6cd971965c2c4389b46911348690e3f3744b215badf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2020-05-02T15:07:23Z",
    "title_canon_sha256": "32b7bbd5e52306a8d2fe8de874e62493c92bd682bf5ebb8f8775a1f753bff496"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.02815",
    "kind": "arxiv",
    "version": 1
  }
}