Pith Number

pith:S3YSQBUU

pith:2016:S3YSQBUUSKEV7KBAOVNRR42225

not attested not anchored not stored refs pending

Realizing homology classes up to cobordism

Andr\'as Sz\H{u}cs, Mark Grant, Tam\'as Terpai

arxiv:1602.05759 v1 · 2016-02-18 · 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{S3YSQBUUSKEV7KBAOVNRR42225}

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	2026-05-18T01:20:23.272379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96f128069492895fa820755b18f35ad77aed7229ee549608330faeb5cab44cef

Aliases

arxiv: 1602.05759 · arxiv_version: 1602.05759v1 · doi: 10.48550/arxiv.1602.05759 · pith_short_12: S3YSQBUUSKEV · pith_short_16: S3YSQBUUSKEV7KBA · pith_short_8: S3YSQBUU

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/S3YSQBUUSKEV7KBAOVNRR42225 \
  | 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: 96f128069492895fa820755b18f35ad77aed7229ee549608330faeb5cab44cef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc21c09ba729b83337c4e6333c7840aa8382a75c5e21bd649d2f9ff5e64e4154",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2016-02-18T11:27:57Z",
    "title_canon_sha256": "21264f1945f14db14f3f52cb46567d84bede9ad02ab456e122b7b0c0206ca389"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.05759",
    "kind": "arxiv",
    "version": 1
  }
}