Pith Number

pith:LOPJMI46

pith:2015:LOPJMI46DHKCN5WZHYTZ2MSQDT

not attested not anchored not stored refs pending

Double Witt groups

Patrick Orson

arxiv:1508.00383 v1 · 2015-08-03 · 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{LOPJMI46DHKCN5WZHYTZ2MSQDT}

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	2026-05-18T01:35:58.243602Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b9e96239e19d426f6d93e279d32501ceec15f9e4f1c7c6fbb7a7097ad59e1f9

Aliases

arxiv: 1508.00383 · arxiv_version: 1508.00383v1 · doi: 10.48550/arxiv.1508.00383 · pith_short_12: LOPJMI46DHKC · pith_short_16: LOPJMI46DHKCN5WZ · pith_short_8: LOPJMI46

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/LOPJMI46DHKCN5WZHYTZ2MSQDT \
  | 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: 5b9e96239e19d426f6d93e279d32501ceec15f9e4f1c7c6fbb7a7097ad59e1f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "923db265ee143a7b63814f3df72d67a5ab8fb7d038a60a2e0f6e1354c90bb053",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2015-08-03T11:54:52Z",
    "title_canon_sha256": "e15eafc938f6addc4a7345eb9921670c389f3f0cd128f43e2627e642296e337a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.00383",
    "kind": "arxiv",
    "version": 1
  }
}