Pith Number

pith:C7PNV5KQ

pith:2013:C7PNV5KQIXNE2PDSBHP54437QV

not attested not anchored not stored refs pending

Sustainable Software Ecosystems for Open Science

Amitha Perera, Bill Hoffman, Katie Osterdahl, Marcus D. Hanwell, Patrick O'Leary, Wes Turner, Will Schroeder

arxiv:1309.2966 v1 · 2013-09-11 · cs.SE · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C7PNV5KQIXNE2PDSBHP54437QV}

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	2026-05-18T03:13:33.227732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17dedaf55045da4d3c7209dfde737f8574839887f72deb6e5286be677b804e70

Aliases

arxiv: 1309.2966 · arxiv_version: 1309.2966v1 · doi: 10.48550/arxiv.1309.2966 · pith_short_12: C7PNV5KQIXNE · pith_short_16: C7PNV5KQIXNE2PDS · pith_short_8: C7PNV5KQ

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/C7PNV5KQIXNE2PDSBHP54437QV \
  | 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: 17dedaf55045da4d3c7209dfde737f8574839887f72deb6e5286be677b804e70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d1792357fa9342231ce06afdf9ca3658eddddc45830a83320a785edecb2ee6c",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2013-09-11T20:52:56Z",
    "title_canon_sha256": "515c032f5372046679980417b86a2fa6d7cd043eb916ec647c7cf3b989f7b698"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.2966",
    "kind": "arxiv",
    "version": 1
  }
}