Pith Number

pith:3CTGPBAO

pith:2017:3CTGPBAOVOVXV6IJ6KR5OTB4FV

not attested not anchored not stored refs pending

Diffeomorphic vs isotopic links in lens spaces

Alessia Cattabriga, Enrico Manfredi

arxiv:1701.01838 v1 · 2017-01-07 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3CTGPBAOVOVXV6IJ6KR5OTB4FV}

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	2026-05-18T00:53:13.334459Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8a667840eabab7af909f2a3d74c3c2d5de4eff50f32d6ef888e436e6ed2d22a

Aliases

arxiv: 1701.01838 · arxiv_version: 1701.01838v1 · doi: 10.48550/arxiv.1701.01838 · pith_short_12: 3CTGPBAOVOVX · pith_short_16: 3CTGPBAOVOVXV6IJ · pith_short_8: 3CTGPBAO

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/3CTGPBAOVOVXV6IJ6KR5OTB4FV \
  | 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: d8a667840eabab7af909f2a3d74c3c2d5de4eff50f32d6ef888e436e6ed2d22a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a822c0a5c51e809cd34a7a62a328c386135646eb7795f835d47e95e5a9217f6e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2017-01-07T14:52:28Z",
    "title_canon_sha256": "b372199561efeea075a7e822f865d99780cd27f24af5c990c485130f6b3c1106"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.01838",
    "kind": "arxiv",
    "version": 1
  }
}