Pith Number

pith:BCCLR2TY

pith:2017:BCCLR2TYRRAP3KFHWFW7CM23UP

not attested not anchored not stored refs pending

Surface immersions in normed spaces from the affine point of view

Horst Martini, Ralph Teixeira, Vitor Balestro

arxiv:1709.01397 v1 · 2017-09-02 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BCCLR2TYRRAP3KFHWFW7CM23UP}

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	2026-05-18T00:36:00.215267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0884b8ea788c40fda8a7b16df1335ba3c88f94c9046e3c52790a53fca187cc17

Aliases

arxiv: 1709.01397 · arxiv_version: 1709.01397v1 · doi: 10.48550/arxiv.1709.01397 · pith_short_12: BCCLR2TYRRAP · pith_short_16: BCCLR2TYRRAP3KFH · pith_short_8: BCCLR2TY

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/BCCLR2TYRRAP3KFHWFW7CM23UP \
  | 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: 0884b8ea788c40fda8a7b16df1335ba3c88f94c9046e3c52790a53fca187cc17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96c6280eabf88682403deb95d5f0b45109d9f0a63c55cd0e922ea8ad062ec7b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-09-02T11:53:10Z",
    "title_canon_sha256": "37e787dee909b1ceac3e074b323f72694076e1c7a82e7fad55caa168651f6f3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.01397",
    "kind": "arxiv",
    "version": 1
  }
}