Pith Number

pith:7DTHRV3C

pith:2019:7DTHRV3CA23OCQA6RQ2X6WCHOD

not attested not anchored not stored refs pending

Checking Observational Purity of Procedures

(2) Microsoft Research), Bangalore, G. Ramalingam (2) ((1) Indian Institute of Science, Himanshu Arora (1), Raghavan Komondoor (1)

arxiv:1902.05436 v1 · 2019-02-14 · cs.SE · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7DTHRV3CA23OCQA6RQ2X6WCHOD}

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	2026-05-17T23:54:00.773311Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8e678d76206b6e1401e8c357f584770fa508aaa185e97bb575751c19c0346a8

Aliases

arxiv: 1902.05436 · arxiv_version: 1902.05436v1 · doi: 10.48550/arxiv.1902.05436 · pith_short_12: 7DTHRV3CA23O · pith_short_16: 7DTHRV3CA23OCQA6 · pith_short_8: 7DTHRV3C

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/7DTHRV3CA23OCQA6RQ2X6WCHOD \
  | 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: f8e678d76206b6e1401e8c357f584770fa508aaa185e97bb575751c19c0346a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55e2d6d7a8fa0189f867a724dc4720357a794de03c235a3b3ef3f775864ef09d",
    "cross_cats_sorted": [
      "cs.PL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2019-02-14T15:30:01Z",
    "title_canon_sha256": "f1eebcb88c393b3eef35de4f5e557e4cf769094a22991fdb319467023b1a4b5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.05436",
    "kind": "arxiv",
    "version": 1
  }
}