Pith Number

pith:VFFSSPEC

pith:2023:VFFSSPECG3ZA2P2A6WJXP3TUV6

not attested not anchored not stored refs pending

On homology concordance in contractible manifolds and two bridge links

Hugo Zhou

arxiv:2306.11001 v1 · 2023-06-19 · 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{VFFSSPECG3ZA2P2A6WJXP3TUV6}

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	2026-06-03T14:05:44.695368Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a94b293c8236f20d3f40f59377ee74afbb90ca669748736f954e6de27b10b2ad

Aliases

arxiv: 2306.11001 · arxiv_version: 2306.11001v1 · doi: 10.48550/arxiv.2306.11001 · pith_short_12: VFFSSPECG3ZA · pith_short_16: VFFSSPECG3ZA2P2A · pith_short_8: VFFSSPEC

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/VFFSSPECG3ZA2P2A6WJXP3TUV6 \
  | 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: a94b293c8236f20d3f40f59377ee74afbb90ca669748736f954e6de27b10b2ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57c9524b68a5408c9fca268fa65f56330650d1013f00e9321bfc30b3fa742856",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2023-06-19T15:07:51Z",
    "title_canon_sha256": "6b7a3ea27c83c1527c626f4d6f36ac17d1a34298fe19073d5053c7d285e57d25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2306.11001",
    "kind": "arxiv",
    "version": 1
  }
}