Pith Number

pith:2BBYSIHR

pith:2021:2BBYSIHR4NUYRHR4NVKQ646D7Q

not attested not anchored not stored refs pending

Silting reduction in extriangulated categories

Bin Zhu, Panyue Zhou, Yu Liu, Yu Zhou

arxiv:2108.07964 v2 · 2021-08-18 · math.RT · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2BBYSIHR4NUYRHR4NVKQ646D7Q}

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	2026-07-05T03:20:57.081304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0438920f1e369889e3c6d550f73c3fc254f85c5b0a202ac67884dcc8893e45b

Aliases

arxiv: 2108.07964 · arxiv_version: 2108.07964v2 · doi: 10.48550/arxiv.2108.07964 · pith_short_12: 2BBYSIHR4NUY · pith_short_16: 2BBYSIHR4NUYRHR4 · pith_short_8: 2BBYSIHR

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/2BBYSIHR4NUYRHR4NVKQ646D7Q \
  | 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: d0438920f1e369889e3c6d550f73c3fc254f85c5b0a202ac67884dcc8893e45b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fd2fd4d551a1ff1a7f83a28f2174e0e14dbe22bd4837ce069127a173f369f67",
    "cross_cats_sorted": [
      "math.CT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2021-08-18T03:54:17Z",
    "title_canon_sha256": "cd36b001a5427af523cfb09ee3b0804875653615ba2cb881ba5382c77ca398d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.07964",
    "kind": "arxiv",
    "version": 2
  }
}