Pith Number

pith:WEWMOVRC

pith:2012:WEWMOVRCO6IL4BUMSIDL2UIF24

not attested not anchored not stored refs pending

A remark on braid group actions on coherent sheaves

Rahbar Virk

arxiv:1210.7861 v1 · 2012-10-29 · math.RT · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WEWMOVRCO6IL4BUMSIDL2UIF24}

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	2026-05-18T03:41:57.958955Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b12cc756227790be068c9206bd5105d721aa8df68b80996ec99748751f73a150

Aliases

arxiv: 1210.7861 · arxiv_version: 1210.7861v1 · doi: 10.48550/arxiv.1210.7861 · pith_short_12: WEWMOVRCO6IL · pith_short_16: WEWMOVRCO6IL4BUM · pith_short_8: WEWMOVRC

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/WEWMOVRCO6IL4BUMSIDL2UIF24 \
  | 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: b12cc756227790be068c9206bd5105d721aa8df68b80996ec99748751f73a150

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2dd57c0ce3f25fa7459407a001eb4dbb23d640ac0e339e5108c0fd2fe820da88",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2012-10-29T22:56:52Z",
    "title_canon_sha256": "47e82fadb9ae188bec97f7c8d7364453f1d39f36d46f703e73629deb9c73fcb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.7861",
    "kind": "arxiv",
    "version": 1
  }
}