Pith Number

pith:XPXNGMCU

pith:2015:XPXNGMCU3HRHUI7MVTBSMCREC5

not attested not anchored not stored refs pending

Some cohomological notions on ${\mathcal A}\times_T {\mathcal B}$

Hossein Javanshiri, Mehdi Nemati

arxiv:1509.00894 v3 · 2015-09-02 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XPXNGMCU3HRHUI7MVTBSMCREC5}

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	2026-05-18T01:27:31.244994Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbeed33054d9e27a23ecacc3260a2417454b1d955e4aa066513b1f5f6e7dfe94

Aliases

arxiv: 1509.00894 · arxiv_version: 1509.00894v3 · doi: 10.48550/arxiv.1509.00894 · pith_short_12: XPXNGMCU3HRH · pith_short_16: XPXNGMCU3HRHUI7M · pith_short_8: XPXNGMCU

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/XPXNGMCU3HRHUI7MVTBSMCREC5 \
  | 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: bbeed33054d9e27a23ecacc3260a2417454b1d955e4aa066513b1f5f6e7dfe94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0360f119cdb6815966402ee960d796fe83bd0b0571f4f5177a9b0ce3d0c11958",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2015-09-02T22:38:28Z",
    "title_canon_sha256": "811331155a8c8c1d980c46202ac981c904a86f29b00c9507c98c4ee24e0e7b4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.00894",
    "kind": "arxiv",
    "version": 3
  }
}