Pith Number

pith:BJDCUVDD

pith:2009:BJDCUVDDVVPV7XDEKKEHZF3K2V

not attested not anchored not stored refs pending

Dismantlability of weakly systolic complexes and applications

Damian Osajda, Victor Chepoi

arxiv:0910.5444 v2 · 2009-10-28 · math.GR · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BJDCUVDDVVPV7XDEKKEHZF3K2V}

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	2026-05-18T03:44:58.018572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a462a5463ad5f5fdc6452887c976ad5785e3fbb6a7dd7564de248ea4b7e5dbe

Aliases

arxiv: 0910.5444 · arxiv_version: 0910.5444v2 · doi: 10.48550/arxiv.0910.5444 · pith_short_12: BJDCUVDDVVPV · pith_short_16: BJDCUVDDVVPV7XDE · pith_short_8: BJDCUVDD

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/BJDCUVDDVVPV7XDEKKEHZF3K2V \
  | 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: 0a462a5463ad5f5fdc6452887c976ad5785e3fbb6a7dd7564de248ea4b7e5dbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1461a7280834b1b4f34f2c676d2b0f97ee606fe01329969815ac0744cffdd9a9",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2009-10-28T17:44:04Z",
    "title_canon_sha256": "d0f77eddb86978e25b88b59bd4ad2f3b5706ed4adbb21f395efb7a391d958897"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.5444",
    "kind": "arxiv",
    "version": 2
  }
}