Pith Number

pith:TCCNNEV3

pith:2016:TCCNNEV34DU4NSVXEDH2XT4X4K

not attested not anchored not stored refs pending

Perverse sheaves and graphs on surfaces

Mikhail Kapranov, Vadim Schechtman

arxiv:1601.01789 v1 · 2016-01-08 · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TCCNNEV34DU4NSVXEDH2XT4X4K}

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.

Cited by

1 paper in Pith

Categorical Lusztig cycles and weave schobers

Receipt and verification

First computed	2026-05-18T01:23:11.311757Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9884d692bbe0e9c6cab720cfabcf97e29a388e7b8f0f323b2e6814730f04f56b

Aliases

arxiv: 1601.01789 · arxiv_version: 1601.01789v1 · doi: 10.48550/arxiv.1601.01789 · pith_short_12: TCCNNEV34DU4 · pith_short_16: TCCNNEV34DU4NSVX · pith_short_8: TCCNNEV3

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/TCCNNEV34DU4NSVXEDH2XT4X4K \
  | 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: 9884d692bbe0e9c6cab720cfabcf97e29a388e7b8f0f323b2e6814730f04f56b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa96f31bf35da809c99426ab1bbdb3489a2526d65fb314c486c26aa783921035",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2016-01-08T08:22:18Z",
    "title_canon_sha256": "348713c6e3e9fdb3e3c649de203372d4ba9bb4fda052619d12f6e0445ada3e0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.01789",
    "kind": "arxiv",
    "version": 1
  }
}