Pith Number

pith:F74XKV3C

pith:2025:F74XKV3CFB4SXFXCKRLCS4B6HQ

not attested not anchored not stored refs pending

Reading a Ruler in the Wild

Alison D. Gernand, Gwen Sincerbeaux, James Z. Wang, Jeffery A. Goldstein, Manas Mehta, Yimu Pan

arxiv:2507.07077 v1 · 2025-07-09 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F74XKV3CFB4SXFXCKRLCS4B6HQ}

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	2026-07-05T11:34:28.683626Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ff975576228792b96e2545629703e3c3bb042c679b2c5c26e596bdd8db43a08

Aliases

arxiv: 2507.07077 · arxiv_version: 2507.07077v1 · doi: 10.48550/arxiv.2507.07077 · pith_short_12: F74XKV3CFB4S · pith_short_16: F74XKV3CFB4SXFXC · pith_short_8: F74XKV3C

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/F74XKV3CFB4SXFXCKRLCS4B6HQ \
  | 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: 2ff975576228792b96e2545629703e3c3bb042c679b2c5c26e596bdd8db43a08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc0a43004d635ba26312cb838e5b9cf06bc0fd7eb38e4f5f42e2e85e73808b7b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-07-09T17:35:58Z",
    "title_canon_sha256": "0c348eb9b47e54177df6bedb43f0e7b3d7b470f8466bb0961a5de91ec590ff08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.07077",
    "kind": "arxiv",
    "version": 1
  }
}