Pith Number

pith:PSAYW57X

pith:2016:PSAYW57XVLLDAUZ2FWGPPIQD3H

not attested not anchored not stored refs pending

Limit algebras and integer-valued cocycles, revisited

Chris Ramsey, Elias Katsoulis

arxiv:1601.03423 v1 · 2016-01-13 · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PSAYW57XVLLDAUZ2FWGPPIQD3H}

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	2026-05-18T00:44:25.015473Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c818b77f7aad630533a2d8cf7a203d9c7848a7b0cbeb4cfcf92cc0964290cd5

Aliases

arxiv: 1601.03423 · arxiv_version: 1601.03423v1 · doi: 10.48550/arxiv.1601.03423 · pith_short_12: PSAYW57XVLLD · pith_short_16: PSAYW57XVLLDAUZ2 · pith_short_8: PSAYW57X

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/PSAYW57XVLLDAUZ2FWGPPIQD3H \
  | 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: 7c818b77f7aad630533a2d8cf7a203d9c7848a7b0cbeb4cfcf92cc0964290cd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8232c8dfc0902131b7567556e5bcfa04962169fab4e6874d9cc932ef36288fd2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2016-01-13T22:01:58Z",
    "title_canon_sha256": "0aaa122c89df835c75fc229a5751ef057f1453843e6690800a426de6f187d55b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.03423",
    "kind": "arxiv",
    "version": 1
  }
}