Pith Number

pith:SNDPLRSD

pith:2010:SNDPLRSDNPV2EIWCQY7NFOM6T5

not attested not anchored not stored refs pending

Invariance of the Barycentric Subdivision of a Simplicial Complex

Rashid Zaare-Nahandi

arxiv:1009.5245 v1 · 2010-09-27 · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SNDPLRSDNPV2EIWCQY7NFOM6T5}

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	2026-05-18T03:30:55.726400Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9346f5c6436beba222c2863ed2b99e9f628b740a6fdb0e25836eb074f70dc8d9

Aliases

arxiv: 1009.5245 · arxiv_version: 1009.5245v1 · doi: 10.48550/arxiv.1009.5245 · pith_short_12: SNDPLRSDNPV2 · pith_short_16: SNDPLRSDNPV2EIWC · pith_short_8: SNDPLRSD

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/SNDPLRSDNPV2EIWCQY7NFOM6T5 \
  | 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: 9346f5c6436beba222c2863ed2b99e9f628b740a6fdb0e25836eb074f70dc8d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7677fc60e09259a3c4683a7bec418ec14dc0b3e851b12075527ba0f58e684427",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2010-09-27T12:54:54Z",
    "title_canon_sha256": "ced3b92787664c6bf35a10313f0a4909e5f90649b8d74a38c488d3ae580a7bf9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.5245",
    "kind": "arxiv",
    "version": 1
  }
}