Pith Number

pith:INOR6OSD

pith:2011:INOR6OSD5QG73D3D4ZEXV7ZP3D

not attested not anchored not stored refs pending

On semilocally simply connected spaces

Andreas Zastrow, Du\v{s}an Repov\v{s}, Hanspeter Fischer, Ziga Virk

arxiv:1102.0993 v1 · 2011-02-04 · 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{INOR6OSD5QG73D3D4ZEXV7ZP3D}

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	2026-05-18T02:22:40.487570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

435d1f3a43ec0dfd8f63e6497aff2fd8cc663d1e2999749c5fc15b38fc59c411

Aliases

arxiv: 1102.0993 · arxiv_version: 1102.0993v1 · doi: 10.48550/arxiv.1102.0993 · pith_short_12: INOR6OSD5QG7 · pith_short_16: INOR6OSD5QG73D3D · pith_short_8: INOR6OSD

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/INOR6OSD5QG73D3D4ZEXV7ZP3D \
  | 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: 435d1f3a43ec0dfd8f63e6497aff2fd8cc663d1e2999749c5fc15b38fc59c411

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e902de64ba3316f8b600449fbe37f9f08c7e7da90a30ed44d8b8aa6ad954aa96",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2011-02-04T18:42:16Z",
    "title_canon_sha256": "07a6b33850e0ec08e4259bf9dc7dd5eb7cddb258d75fc008e5f6090791b3c2df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.0993",
    "kind": "arxiv",
    "version": 1
  }
}