Pith Number

pith:IY4HRDNY

pith:2018:IY4HRDNYMO7TGEG6PJFGT2A4U4

not attested not anchored not stored refs pending

Degeneration of globally hyperbolic maximal anti-de Sitter structures along pinching sequences

Andrea Tamburelli

arxiv:1808.07758 v1 · 2018-08-21 · 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{IY4HRDNYMO7TGEG6PJFGT2A4U4}

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	2026-05-17T23:52:52.387122Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4638788db863bf3310de7a4a69e81ca736f451bc977285dbcaa4fd1467b46473

Aliases

arxiv: 1808.07758 · arxiv_version: 1808.07758v1 · doi: 10.48550/arxiv.1808.07758 · pith_short_12: IY4HRDNYMO7T · pith_short_16: IY4HRDNYMO7TGEG6 · pith_short_8: IY4HRDNY

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/IY4HRDNYMO7TGEG6PJFGT2A4U4 \
  | 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: 4638788db863bf3310de7a4a69e81ca736f451bc977285dbcaa4fd1467b46473

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b47600b41e4f268bbc626e003dab62a2d99b76cbe95aec5d1c2df4577e4271e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-08-21T20:23:31Z",
    "title_canon_sha256": "28e4161bbf038d63d504cded9c887bb46445b255c9744041d18d18c44c07277e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.07758",
    "kind": "arxiv",
    "version": 1
  }
}