Pith Number

pith:75QA2POS

pith:2015:75QA2POSMYZ64YSNTFJD6PUZLV

not attested not anchored not stored refs pending

Verdier hypercovering theorem for motivic spectra

Andreas Rosenschon, Gereon Quick

arxiv:1504.00537 v1 · 2015-04-02 · math.AG · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{75QA2POSMYZ64YSNTFJD6PUZLV}

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	2026-05-18T02:19:43.139153Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff600d3dd26633ee624d99523f3e995d762b53d627313db4f286267bcca84e6a

Aliases

arxiv: 1504.00537 · arxiv_version: 1504.00537v1 · doi: 10.48550/arxiv.1504.00537 · pith_short_12: 75QA2POSMYZ6 · pith_short_16: 75QA2POSMYZ64YSN · pith_short_8: 75QA2POS

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/75QA2POSMYZ64YSNTFJD6PUZLV \
  | 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: ff600d3dd26633ee624d99523f3e995d762b53d627313db4f286267bcca84e6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "066253a5a813e9edf50049fa8c7d388c8a0944d9d5271502e21ee6e93ff698d2",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-04-02T13:08:30Z",
    "title_canon_sha256": "5aadc1d6ad6d07675623397e5ddab9e11ad62d5e3038b0adada8ba7ca4c3d2e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.00537",
    "kind": "arxiv",
    "version": 1
  }
}