Pith Number

pith:UZSTT6VZ

pith:2018:UZSTT6VZRFWTNGOQW42R6WVPFJ

not attested not anchored not stored refs pending

A1-invariants in Galois cohomology and a claim of Morel

Tom Bachmann

arxiv:1806.11159 v2 · 2018-06-28 · math.KT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UZSTT6VZRFWTNGOQW42R6WVPFJ}

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	2026-05-18T00:06:15.966072Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a66539fab9896d3699d0b7351f5aaf2a58cd786a3385b399a5bcc956cd48fe7b

Aliases

arxiv: 1806.11159 · arxiv_version: 1806.11159v2 · doi: 10.48550/arxiv.1806.11159 · pith_short_12: UZSTT6VZRFWT · pith_short_16: UZSTT6VZRFWTNGOQ · pith_short_8: UZSTT6VZ

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/UZSTT6VZRFWTNGOQW42R6WVPFJ \
  | 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: a66539fab9896d3699d0b7351f5aaf2a58cd786a3385b399a5bcc956cd48fe7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99c40635fc1201683001891539aec3725d67146d94bd1e8e6a2f00a438a9b035",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2018-06-28T19:46:07Z",
    "title_canon_sha256": "2b7b3cdd98419286c58d2c53932be6700acae827aa05a980d2d196e5181ad0f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.11159",
    "kind": "arxiv",
    "version": 2
  }
}