Pith Number

pith:GI32SSAK

pith:2017:GI32SSAK7YS44626CQOMISMQIP

not attested not anchored not stored refs pending

Global folds between Banach spaces as perturbations

Andr\'e Zaccur, Carlos Tomei, Marta Calanchi

arxiv:1701.07350 v2 · 2017-01-25 · math.AP · 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{GI32SSAK7YS44626CQOMISMQIP}

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	2026-05-18T00:24:31.547393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3237a9480afe25ce7b5e141cc4499043d667497b856172d21aabf1d83c0a6d5c

Aliases

arxiv: 1701.07350 · arxiv_version: 1701.07350v2 · doi: 10.48550/arxiv.1701.07350 · pith_short_12: GI32SSAK7YS4 · pith_short_16: GI32SSAK7YS44626 · pith_short_8: GI32SSAK

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/GI32SSAK7YS44626CQOMISMQIP \
  | 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: 3237a9480afe25ce7b5e141cc4499043d667497b856172d21aabf1d83c0a6d5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37cac0b165b29eea8fb65f1202535c57db6f5dd18da287b23cdbcadf8efab6ec",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-01-25T15:24:43Z",
    "title_canon_sha256": "755b3cef4525372e190a324b0b795610fb8ae492917dc1f4d76b2d1fa5cddbc5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.07350",
    "kind": "arxiv",
    "version": 2
  }
}