Pith Number

pith:2FD3YSST

pith:2014:2FD3YSSTSARMKDBDGBURPHZZAR

not attested not anchored not stored refs pending

Grothendieck topologies on a poset

Bert Lindenhovius

arxiv:1405.4408 v2 · 2014-05-17 · math.CT · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2FD3YSSTSARMKDBDGBURPHZZAR}

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	2026-05-18T02:32:13.985139Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d147bc4a539022c50c233069179f39045f74daa09086b560adc446760a75d8fa

Aliases

arxiv: 1405.4408 · arxiv_version: 1405.4408v2 · doi: 10.48550/arxiv.1405.4408 · pith_short_12: 2FD3YSSTSARM · pith_short_16: 2FD3YSSTSARMKDBD · pith_short_8: 2FD3YSST

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/2FD3YSSTSARMKDBDGBURPHZZAR \
  | 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: d147bc4a539022c50c233069179f39045f74daa09086b560adc446760a75d8fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c4d0b60be11cd1b25935aa55bb7dc0b314d3c2376aceeb2eea86fd0bbce03de",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2014-05-17T15:06:55Z",
    "title_canon_sha256": "dd8afa6d4c0be17e5abba386db3223f05e660363deddee54803ac1892780ac34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.4408",
    "kind": "arxiv",
    "version": 2
  }
}