Pith Number

pith:IMXE3L2Y

pith:2014:IMXE3L2Y2UU3IYK6QBT6FVOMXB

not attested not anchored not stored refs pending

On the notion of a semi-abelian category in the sense of Palamodov

Sven-Ake Wegner, Yaroslav Kopylov

arxiv:1406.6804 v1 · 2014-06-26 · math.CT · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IMXE3L2Y2UU3IYK6QBT6FVOMXB}

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	2026-05-18T02:48:55.813730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

432e4daf58d529b4615e8067e2d5ccb859b34717783a0d6d0c80725106c44cc9

Aliases

arxiv: 1406.6804 · arxiv_version: 1406.6804v1 · doi: 10.48550/arxiv.1406.6804 · pith_short_12: IMXE3L2Y2UU3 · pith_short_16: IMXE3L2Y2UU3IYK6 · pith_short_8: IMXE3L2Y

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/IMXE3L2Y2UU3IYK6QBT6FVOMXB \
  | 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: 432e4daf58d529b4615e8067e2d5ccb859b34717783a0d6d0c80725106c44cc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74ca3bd4b5eabef6061691baffbf1437722a5a864c6a2d864210f9aa923b5d1c",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2014-06-26T08:31:32Z",
    "title_canon_sha256": "33baf0d4d1c3ff1f8395f7293b7cf4c60eb6b65d8da0509d473c07493af11ee1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.6804",
    "kind": "arxiv",
    "version": 1
  }
}