Pith Number

pith:P5MHCW2R

pith:2016:P5MHCW2REDSEIGOMRI33UJODNE

not attested not anchored not stored refs pending

Bounded Topological Speedups

Drew D. Ash, Lori Alvin, Nicholas S. Ormes

arxiv:1610.03537 v1 · 2016-10-11 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P5MHCW2REDSEIGOMRI33UJODNE}

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	2026-05-18T01:02:30.071857Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f58715b5120e44419cc8a37ba25c369118a1c761a472345bb8971937f17a1c1

Aliases

arxiv: 1610.03537 · arxiv_version: 1610.03537v1 · doi: 10.48550/arxiv.1610.03537 · pith_short_12: P5MHCW2REDSE · pith_short_16: P5MHCW2REDSEIGOM · pith_short_8: P5MHCW2R

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/P5MHCW2REDSEIGOMRI33UJODNE \
  | 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: 7f58715b5120e44419cc8a37ba25c369118a1c761a472345bb8971937f17a1c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77c9fbe68bb1229694854ae9b1825667eed23c091b7be9061e733fbbd778c36b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2016-10-11T21:15:45Z",
    "title_canon_sha256": "56ce2a79e7529c356b888cdc7e64af06d5cd64e5de460f9555f9c7316541da2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.03537",
    "kind": "arxiv",
    "version": 1
  }
}