Pith Number

pith:ZII4XFFA

pith:2017:ZII4XFFAT4M73VMRXKF76DWK7N

not attested not anchored not stored refs pending

Doing Things Twice (Or Differently): Strategies to Identify Studies for Targeted Validation

Gopal P. Sarma

arxiv:1703.01601 v2 · 2017-03-05 · cs.CY · cs.DL · physics.soc-ph · q-bio.OT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZII4XFFAT4M73VMRXKF76DWK7N}

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	2026-05-18T00:17:54.914833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca11cb94a09f19fdd591ba8bff0ecafb55ae442fbbfc6f33b4edc248940b6558

Aliases

arxiv: 1703.01601 · arxiv_version: 1703.01601v2 · doi: 10.48550/arxiv.1703.01601 · pith_short_12: ZII4XFFAT4M7 · pith_short_16: ZII4XFFAT4M73VMR · pith_short_8: ZII4XFFA

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/ZII4XFFAT4M73VMRXKF76DWK7N \
  | 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: ca11cb94a09f19fdd591ba8bff0ecafb55ae442fbbfc6f33b4edc248940b6558

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fb857e5ab8cad5fd3217bb2622db9a24bf650773a5ad52ac7d723ee6faddd50",
    "cross_cats_sorted": [
      "cs.DL",
      "physics.soc-ph",
      "q-bio.OT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2017-03-05T15:00:10Z",
    "title_canon_sha256": "a01761fbfd22e83283648bbf6995c0a097d646450383b62edfdda385300a8674"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.01601",
    "kind": "arxiv",
    "version": 2
  }
}