Pith Number

pith:7G3XHEP4

pith:2017:7G3XHEP4D2F6C2SLYJHGORVCRS

not attested not anchored not stored refs pending

A Collaborative Approach to Computational Reproducibility

Dennis Shasha, Fernando Chirigati, Juliana Freire, Rebecca Capone, Remi Rampin

arxiv:1709.01154 v1 · 2017-08-09 · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7G3XHEP4D2F6C2SLYJHGORVCRS}

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	2026-05-18T00:36:00.757126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9b77391fc1e8be16a4bc24e6746a28c86602cc3a698bd2843c38c0903f47e2d

Aliases

arxiv: 1709.01154 · arxiv_version: 1709.01154v1 · doi: 10.48550/arxiv.1709.01154 · pith_short_12: 7G3XHEP4D2F6 · pith_short_16: 7G3XHEP4D2F6C2SL · pith_short_8: 7G3XHEP4

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/7G3XHEP4D2F6C2SLYJHGORVCRS \
  | 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: f9b77391fc1e8be16a4bc24e6746a28c86602cc3a698bd2843c38c0903f47e2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "995a4708e350c1fc7cc5c42dbd784972052432c0485c03fbba7d0ee0d09ae6f2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2017-08-09T20:33:45Z",
    "title_canon_sha256": "0825b4589ed3f9ecd821fc0be9e631c0bfee0f3d80865500eeb8398ed505c9b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.01154",
    "kind": "arxiv",
    "version": 1
  }
}