Pith Number

pith:LHYASECG

pith:2008:LHYASECGNZOD7QST4GNV3ILTV2

not attested not anchored not stored refs pending

A Sequence of Degree One Vassiliev Invariants for Virtual Knots

Allison Henrich

arxiv:0803.0754 v3 · 2008-03-05 · 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{LHYASECGNZOD7QST4GNV3ILTV2}

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	2026-05-18T04:12:55.224196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59f00910466e5c3fc253e19b5da173aea5fe316625ed5c6d2c253be78f2ec22b

Aliases

arxiv: 0803.0754 · arxiv_version: 0803.0754v3 · doi: 10.48550/arxiv.0803.0754 · pith_short_12: LHYASECGNZOD · pith_short_16: LHYASECGNZOD7QST · pith_short_8: LHYASECG

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/LHYASECGNZOD7QST4GNV3ILTV2 \
  | 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: 59f00910466e5c3fc253e19b5da173aea5fe316625ed5c6d2c253be78f2ec22b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94123566755901160eff876669af3e9b24de14f2ea41cc77385ed9e80e0b38e4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2008-03-05T22:27:00Z",
    "title_canon_sha256": "673d21b44227fe83d778fc7db43109cd1afabaf0c6d0083b048ba385f546c46c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.0754",
    "kind": "arxiv",
    "version": 3
  }
}