Pith Number

pith:EAQTAKMB

pith:2015:EAQTAKMBIUDKZ5E3H64ZJCNT6E

not attested not anchored not stored refs pending

Classification of minimal Lorentzian surfaces in $\mathbb S^4_2(1)$ with constant Gaussian and normal curvatures

Nurettin Cenk Turgay, U\u{g}ur Dursun

arxiv:1508.03824 v1 · 2015-08-16 · 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{EAQTAKMBIUDKZ5E3H64ZJCNT6E}

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	2026-05-18T01:35:15.159229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20213029814506acf49b3fb99489b3f114c14362fdd6c7c8738946ccf401123b

Aliases

arxiv: 1508.03824 · arxiv_version: 1508.03824v1 · doi: 10.48550/arxiv.1508.03824 · pith_short_12: EAQTAKMBIUDK · pith_short_16: EAQTAKMBIUDKZ5E3 · pith_short_8: EAQTAKMB

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/EAQTAKMBIUDKZ5E3H64ZJCNT6E \
  | 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: 20213029814506acf49b3fb99489b3f114c14362fdd6c7c8738946ccf401123b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65eb1bfe230116af9ee9e2cfc1531e4a05c694256b658d0bb86d24753ba0e364",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-08-16T14:01:24Z",
    "title_canon_sha256": "7468d4ba3a75873aefd7abca7b685a29e8b6ef2e108cc2acc8a90cc408834d36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.03824",
    "kind": "arxiv",
    "version": 1
  }
}