Pith Number

pith:VGGY43MQ

pith:2014:VGGY43MQ76ORDIBO5CWHBUKBDB

not attested not anchored not stored refs pending

Geometry in the Transition from Primary to Post-Primary

Anthony G. O'Farrell, Patrick D. Barry

arxiv:1407.5499 v1 · 2014-07-21 · math.HO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VGGY43MQ76ORDIBO5CWHBUKBDB}

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	2026-05-18T00:48:20.952195Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a98d8e6d90ff9d11a02ee8ac70d141187ca1329a3b573dda207b4feab735a5ca

Aliases

arxiv: 1407.5499 · arxiv_version: 1407.5499v1 · doi: 10.48550/arxiv.1407.5499 · pith_short_12: VGGY43MQ76OR · pith_short_16: VGGY43MQ76ORDIBO · pith_short_8: VGGY43MQ

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/VGGY43MQ76ORDIBO5CWHBUKBDB \
  | 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: a98d8e6d90ff9d11a02ee8ac70d141187ca1329a3b573dda207b4feab735a5ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "205f28f37f5a01332adf63e7f49c834611dc0262e2c8a9e437418f4d5a1821be",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2014-07-21T14:08:50Z",
    "title_canon_sha256": "cddea2f0471a5ee519f6447b552274813bb704a214ce4a81ba8ee7662bc00a62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.5499",
    "kind": "arxiv",
    "version": 1
  }
}