Pith Number

pith:QNV2HPDY

pith:2021:QNV2HPDYDIPUJHZJVSQ7JKNF3V

not attested not anchored not stored refs pending

Coherent cochain complexes and Beilinson t-structures, with an appendix by Achim Krause

Stefano Ariotta

arxiv:2109.01017 v1 · 2021-09-02 · math.AT · 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{QNV2HPDYDIPUJHZJVSQ7JKNF3V}

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.

Cited by

1 paper in Pith

Spectral sequences, d\'ecalage, and the Beilinson t-structure

Receipt and verification

First computed	2026-07-05T03:11:00.531431Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

836ba3bc781a1f449f29aca1f4a9a5dd4fe7c2c3159c47371e42ec6c5caed562

Aliases

arxiv: 2109.01017 · arxiv_version: 2109.01017v1 · doi: 10.48550/arxiv.2109.01017 · pith_short_12: QNV2HPDYDIPU · pith_short_16: QNV2HPDYDIPUJHZJ · pith_short_8: QNV2HPDY

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/QNV2HPDYDIPUJHZJVSQ7JKNF3V \
  | 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: 836ba3bc781a1f449f29aca1f4a9a5dd4fe7c2c3159c47371e42ec6c5caed562

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9d1cdac0adb694b2f2fc3799818ac88dc8dbd4843ff51e146ac48a29687682c",
    "cross_cats_sorted": [
      "math.CT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2021-09-02T15:28:51Z",
    "title_canon_sha256": "52a60973189374309cb1960e88a361c5aced0ce44c174a3d91ce70887e7ac725"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.01017",
    "kind": "arxiv",
    "version": 1
  }
}