Pith Number

pith:DZ7TX423

pith:2017:DZ7TX4237SXQBZVUXONZRONOIA

not attested not anchored not stored refs pending

Rigidity on an eigenvalue problem with mixed boundary condition

Ezequiel Barbosa, Sergio Almaraz

arxiv:1710.06701 v1 · 2017-10-18 · 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{DZ7TX4237SXQBZVUXONZRONOIA}

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	2026-05-18T00:32:32.919704Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e7f3bf35bfcaf00e6b4bb9b98b9ae4038fc132c00e5fb4130d47c38d25841dd

Aliases

arxiv: 1710.06701 · arxiv_version: 1710.06701v1 · doi: 10.48550/arxiv.1710.06701 · pith_short_12: DZ7TX4237SXQ · pith_short_16: DZ7TX4237SXQBZVU · pith_short_8: DZ7TX423

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/DZ7TX4237SXQBZVUXONZRONOIA \
  | 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: 1e7f3bf35bfcaf00e6b4bb9b98b9ae4038fc132c00e5fb4130d47c38d25841dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb86ee43587793405ca67f364caef5f92de3552c9fc717e28007eb9f4b4dd78a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-10-18T12:36:27Z",
    "title_canon_sha256": "280823efed0f8240f1c85d89725a42d8753a47ddb1e92f3a34f60360aae21ee5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.06701",
    "kind": "arxiv",
    "version": 1
  }
}