Pith Number

pith:VEJJNNHB

pith:2016:VEJJNNHB7R6EDJDG5HCTZ4XPPJ

not attested not anchored not stored refs pending

Classification of the relative positions between a hyperboloid and a sphere

Ana D. Tarr\'io-Tobar, M. Brozos-V\'azquez, M.J. Pereira-S\'aez, M.J. Souto-Salorio

arxiv:1602.06744 v2 · 2016-02-22 · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VEJJNNHB7R6EDJDG5HCTZ4XPPJ}

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	2026-05-18T01:15:38.237540Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a91296b4e1fc7c41a466e9c53cf2ef7a51797f6212cd7af1a0c9fdcf451b729b

Aliases

arxiv: 1602.06744 · arxiv_version: 1602.06744v2 · doi: 10.48550/arxiv.1602.06744 · pith_short_12: VEJJNNHB7R6E · pith_short_16: VEJJNNHB7R6EDJDG · pith_short_8: VEJJNNHB

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/VEJJNNHB7R6EDJDG5HCTZ4XPPJ \
  | 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: a91296b4e1fc7c41a466e9c53cf2ef7a51797f6212cd7af1a0c9fdcf451b729b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99593e39f1eb15aafacc8e4062546654f6c71eb113b08cfe8d0bc9258cfe0212",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2016-02-22T12:00:27Z",
    "title_canon_sha256": "5da82a27c9396246e0bbb4d1583e28bdbe230931cf18d48b325560f09a8ae883"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.06744",
    "kind": "arxiv",
    "version": 2
  }
}