Pith Number

pith:PQEKZBHD

pith:2017:PQEKZBHD6JIWBGU3LVFB3CJ3IO

not attested not anchored not stored refs pending

A Stochastic Operator Approach to Model Inadequacy with Applications to Contaminant Transport

Damon McDougall, Robert D. Moser, Teresa Portone

arxiv:1702.07779 v1 · 2017-02-24 · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PQEKZBHD6JIWBGU3LVFB3CJ3IO}

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	2026-05-18T00:49:57.084240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c08ac84e3f251609a9b5d4a1d893b439641beacc613a8f46587ebe894cbfff6

Aliases

arxiv: 1702.07779 · arxiv_version: 1702.07779v1 · doi: 10.48550/arxiv.1702.07779 · pith_short_12: PQEKZBHD6JIW · pith_short_16: PQEKZBHD6JIWBGU3 · pith_short_8: PQEKZBHD

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/PQEKZBHD6JIWBGU3LVFB3CJ3IO \
  | 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: 7c08ac84e3f251609a9b5d4a1d893b439641beacc613a8f46587ebe894cbfff6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b806604242d9806a2a7368df4789b0b901015eb43c89d7d472c4b4fda7afc79",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2017-02-24T21:57:02Z",
    "title_canon_sha256": "a753a439d6fd94e0c49ac3f99fe774246a3185404efbc13229b71e6412829f6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.07779",
    "kind": "arxiv",
    "version": 1
  }
}