Pith Number

pith:JUPBG6VB

pith:2017:JUPBG6VBWGUSQTT2CDCS5AFZEO

not attested not anchored not stored refs pending

Shadows of a Closed Curve

Edgardo Rold\'an-Pensado, Heuna Kim, Luis Montejano, Michael Gene Dobbins

arxiv:1706.02355 v1 · 2017-06-07 · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JUPBG6VBWGUSQTT2CDCS5AFZEO}

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	2026-05-18T00:42:45.675022Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d1e137aa1b1a9284e7a10c52e80b923ae1c5939ab7e08dc1c2dbaca2d795a3b

Aliases

arxiv: 1706.02355 · arxiv_version: 1706.02355v1 · doi: 10.48550/arxiv.1706.02355 · pith_short_12: JUPBG6VBWGUS · pith_short_16: JUPBG6VBWGUSQTT2 · pith_short_8: JUPBG6VB

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/JUPBG6VBWGUSQTT2CDCS5AFZEO \
  | 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: 4d1e137aa1b1a9284e7a10c52e80b923ae1c5939ab7e08dc1c2dbaca2d795a3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "678c017c078f85f1f83cac99bd524870a2d402022cbcc6ed01057bf4445e8b57",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2017-06-07T19:31:53Z",
    "title_canon_sha256": "084afe0f630e03bdbd3023ebb0e910e3e7cb29f9b0931839c81614791b30fddd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.02355",
    "kind": "arxiv",
    "version": 1
  }
}