Pith Number

pith:TFHZWI56

pith:2015:TFHZWI56MWTSW6SEX2OJVSYDRI

not attested not anchored not stored refs pending

A remark on $\mathbb{T}$-valued cohomology groups of algebraic group actions

Yongle Jiang

arxiv:1509.08278 v2 · 2015-09-28 · math.OA · math.DS · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TFHZWI56MWTSW6SEX2OJVSYDRI}

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	2026-05-18T01:13:09.596164Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

994f9b23be65a72b7a44be9c9acb038a286efc208c4b0f51b45a7a5635e9f93f

Aliases

arxiv: 1509.08278 · arxiv_version: 1509.08278v2 · doi: 10.48550/arxiv.1509.08278 · pith_short_12: TFHZWI56MWTS · pith_short_16: TFHZWI56MWTSW6SE · pith_short_8: TFHZWI56

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/TFHZWI56MWTSW6SEX2OJVSYDRI \
  | 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: 994f9b23be65a72b7a44be9c9acb038a286efc208c4b0f51b45a7a5635e9f93f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6ae37b4d20279b0a3e2caf6ba66aa27a2f215fbf9e8984d740e52ec820efa24",
    "cross_cats_sorted": [
      "math.DS",
      "math.GR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2015-09-28T11:25:11Z",
    "title_canon_sha256": "77cb6c808412f9b497e8ecf85b74b1d74021cb3a0cd48c2127677b4d89c3a67d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.08278",
    "kind": "arxiv",
    "version": 2
  }
}