Pith Number

pith:AGJYYK2O

pith:2026:AGJYYK2ORA4RTS6LBWREKD4BLZ

not attested not anchored not stored refs pending

Stable recovery of a simple irreversible Finsler geometry from travel time data

Antti Kykk\"anen, Joonas Ilmavirta, Maarten V. de Hoop, Teemu Saksala

arxiv:2606.25138 v1 · 2026-06-23 · math.MG · 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{AGJYYK2ORA4RTS6LBWREKD4BLZ}

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	2026-06-25T00:18:19.073850Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01938c2b4e883919cbcb0da2450f815e6b72b23003d084a6bc3a3f05c8a9bc74

Aliases

arxiv: 2606.25138 · arxiv_version: 2606.25138v1 · doi: 10.48550/arxiv.2606.25138 · pith_short_12: AGJYYK2ORA4R · pith_short_16: AGJYYK2ORA4RTS6L · pith_short_8: AGJYYK2O

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/AGJYYK2ORA4RTS6LBWREKD4BLZ \
  | 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: 01938c2b4e883919cbcb0da2450f815e6b72b23003d084a6bc3a3f05c8a9bc74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "646c9799d35c7dd260aa77107925b2355743daeecbc13f065c084866bf7af32b",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2026-06-23T20:08:25Z",
    "title_canon_sha256": "46baaacd55987b88c4668a433441949e2f67e403ffcd77f170c6e5deec5a6692"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.25138",
    "kind": "arxiv",
    "version": 1
  }
}