Pith Number

pith:XATEEXM2

pith:2017:XATEEXM2K6C56OMKP6M2JNFDHT

not attested not anchored not stored refs pending

Strong Homology Theory of Continuous Maps

Anzor Beridze, Vladimer Baladze

arxiv:1703.04089 v2 · 2017-03-12 · 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{XATEEXM2K6C56OMKP6M2JNFDHT}

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	2026-05-18T00:44:57.147208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b826425d9a5785df398a7f99a4b4a33cd2020a5aaf9f62493fa2493024769ef6

Aliases

arxiv: 1703.04089 · arxiv_version: 1703.04089v2 · doi: 10.48550/arxiv.1703.04089 · pith_short_12: XATEEXM2K6C5 · pith_short_16: XATEEXM2K6C56OMK · pith_short_8: XATEEXM2

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/XATEEXM2K6C56OMKP6M2JNFDHT \
  | 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: b826425d9a5785df398a7f99a4b4a33cd2020a5aaf9f62493fa2493024769ef6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "460a432cc07c20fcdb69c58b08871b435c06844ef13b72e5d727290cd012216c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2017-03-12T09:56:47Z",
    "title_canon_sha256": "ad0eade9f3bbe634767ffbe29a5ecabb8a4459b211f63a90611c176a9ba9a398"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.04089",
    "kind": "arxiv",
    "version": 2
  }
}