Pith Number

pith:PD2IXWF5

pith:2011:PD2IXWF5UZBR5CRMFHHZ2K52HP

not attested not anchored not stored refs pending

Use of groundwater lifetime expectancy for the performance assessment of a deep geologic waste repository: 1. Theory, illustrations, and implications

E. A. Sudicky, F. J. Cornaton, J. F. Sykes, S. D. Normani, Y.-J. Park

arxiv:1109.3146 v1 · 2011-09-14 · physics.comp-ph · 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{PD2IXWF5UZBR5CRMFHHZ2K52HP}

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	2026-05-18T04:13:06.184710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78f48bd8bda6431e8a2c29cf9d2bba3bf952b0a10862dc3e284e44dbeb44d6ff

Aliases

arxiv: 1109.3146 · arxiv_version: 1109.3146v1 · doi: 10.48550/arxiv.1109.3146 · pith_short_12: PD2IXWF5UZBR · pith_short_16: PD2IXWF5UZBR5CRM · pith_short_8: PD2IXWF5

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/PD2IXWF5UZBR5CRMFHHZ2K52HP \
  | 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: 78f48bd8bda6431e8a2c29cf9d2bba3bf952b0a10862dc3e284e44dbeb44d6ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9605a616827ade828652de751f99dd2d7b6a37514473166b13758a6a99024211",
    "cross_cats_sorted": [
      "physics.geo-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2011-09-14T17:42:11Z",
    "title_canon_sha256": "7611cac172fac1985015f0a20b4f22603735de7d86caeb6ccfc5aa920ca1f650"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.3146",
    "kind": "arxiv",
    "version": 1
  }
}