Pith Number

pith:JE27MY7H

pith:2017:JE27MY7HEEN2ZPOQQUBT4QIAEX

not attested not anchored not stored refs pending

DATeS: A Highly-Extensible Data Assimilation Testing Suite v1.0

Adrian Sandu, Ahmed Attia

arxiv:1704.05594 v2 · 2017-04-19 · cs.MS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JE27MY7HEEN2ZPOQQUBT4QIAEX}

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	2026-05-18T00:12:00.511290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4935f663e7211bacbdd085033e410025f79edd90464da996a13aca97c3ac660a

Aliases

arxiv: 1704.05594 · arxiv_version: 1704.05594v2 · doi: 10.48550/arxiv.1704.05594 · pith_short_12: JE27MY7HEEN2 · pith_short_16: JE27MY7HEEN2ZPOQ · pith_short_8: JE27MY7H

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/JE27MY7HEEN2ZPOQQUBT4QIAEX \
  | 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: 4935f663e7211bacbdd085033e410025f79edd90464da996a13aca97c3ac660a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96459dd37a65e8c5fbb7c5a29b11150e93024645231c9b79f30922d965a8ecbb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2017-04-19T02:58:23Z",
    "title_canon_sha256": "f8a5126c9b734b2d11dec0d21fda0383b7e71053740096d6b90cf20281080d17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.05594",
    "kind": "arxiv",
    "version": 2
  }
}