Pith Number

pith:RTKGSINK

pith:2005:RTKGSINK4DX4LQQCRPQIITIPKQ

not attested not anchored not stored refs pending

A new approach to hyperbolic inverse problems

Gregory Eskin

arxiv:math/0505452 v3 · 2005-05-22 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RTKGSINK4DX4LQQCRPQIITIPKQ}

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	2026-05-18T01:37:11.945680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8cd46921aae0efc5c2028be0844d0f54039b720343d6d546e7c6894c0cdfb3f0

Aliases

arxiv: math/0505452 · arxiv_version: math/0505452v3 · doi: 10.48550/arxiv.math/0505452 · pith_short_12: RTKGSINK4DX4 · pith_short_16: RTKGSINK4DX4LQQC · pith_short_8: RTKGSINK

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/RTKGSINK4DX4LQQCRPQIITIPKQ \
  | 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: 8cd46921aae0efc5c2028be0844d0f54039b720343d6d546e7c6894c0cdfb3f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1010964804f1b17dbf72fc7f453f663cfcc40746e8a93887d921c2a6f9d2e462",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.AP",
    "submitted_at": "2005-05-22T01:19:24Z",
    "title_canon_sha256": "a08cc19c26956e39418763325a07d29718ad5f2596f97b4b1e73ffdbef2f33cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0505452",
    "kind": "arxiv",
    "version": 3
  }
}