Pith Number

pith:BV6FXZAM

pith:2019:BV6FXZAM3Q6A4TKUMXY73BMGKL

not attested not anchored not stored refs pending

Additive jointly separating maps and ring homomorphisms

Fereshteh Sady, Masoumeh Najafi Tavani

arxiv:1907.10286 v1 · 2019-07-24 · 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{BV6FXZAM3Q6A4TKUMXY73BMGKL}

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	2026-05-17T23:39:38.378213Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d7c5be40cdc3c0e4d5465f1fd858652ef5410644526975ba295bd901652e29d

Aliases

arxiv: 1907.10286 · arxiv_version: 1907.10286v1 · doi: 10.48550/arxiv.1907.10286 · pith_short_12: BV6FXZAM3Q6A · pith_short_16: BV6FXZAM3Q6A4TKU · pith_short_8: BV6FXZAM

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/BV6FXZAM3Q6A4TKUMXY73BMGKL \
  | 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: 0d7c5be40cdc3c0e4d5465f1fd858652ef5410644526975ba295bd901652e29d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55e16507f2b28198a106d5384c58471d5319afa941a207ff184bf72687beaa08",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2019-07-24T07:57:14Z",
    "title_canon_sha256": "bf71fe1a366ff9bb0cd28cdde79d64f3747b427cb46b3f4011b417cb5dc9bbaa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.10286",
    "kind": "arxiv",
    "version": 1
  }
}