Pith Number

pith:HTDK44UB

pith:2018:HTDK44UB35NT45UUBBGA64U2J4

not attested not anchored not stored refs pending

Sheaf Quantization of Legendrian Isotopy

Peng Zhou

arxiv:1804.08928 v2 · 2018-04-24 · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HTDK44UB35NT45UUBBGA64U2J4}

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	2026-05-18T00:02:01.252756Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cc6ae7281df5b3e7694084c0f729a4f2ed1244cb07e25eda6c72672af767355

Aliases

arxiv: 1804.08928 · arxiv_version: 1804.08928v2 · doi: 10.48550/arxiv.1804.08928 · pith_short_12: HTDK44UB35NT · pith_short_16: HTDK44UB35NT45UU · pith_short_8: HTDK44UB

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/HTDK44UB35NT45UUBBGA64U2J4 \
  | 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: 3cc6ae7281df5b3e7694084c0f729a4f2ed1244cb07e25eda6c72672af767355

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7066601835ceea13012d94178c31f16bac277e23f4c35a974640aff637f2ff85",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2018-04-24T09:39:28Z",
    "title_canon_sha256": "ee82c27ab6800279397577531507ca6d74d7050f9af1694696f72033302640ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08928",
    "kind": "arxiv",
    "version": 2
  }
}