Pith Number

pith:VASTHFNE

pith:2025:VASTHFNEMONB4H4OZP43ANKTRW

not attested not anchored not stored refs pending

Challenges for describing unitary evolution in nontrivial geometries: pictures and representations

Julie Perkins, Steven B. Giddings

arxiv:2507.13351 v1 · 2025-07-17 · hep-th · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VASTHFNEMONB4H4OZP43ANKTRW}

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	2026-07-05T11:39:15.763944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8253395a4639a1e1f8ecbf9b035538db178b8a3c5c741027f985d45b40a660b

Aliases

arxiv: 2507.13351 · arxiv_version: 2507.13351v1 · doi: 10.48550/arxiv.2507.13351 · pith_short_12: VASTHFNEMONB · pith_short_16: VASTHFNEMONB4H4O · pith_short_8: VASTHFNE

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/VASTHFNEMONB4H4OZP43ANKTRW \
  | 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: a8253395a4639a1e1f8ecbf9b035538db178b8a3c5c741027f985d45b40a660b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01c692d3bd550457a469e59dc2b8cb6af7c0ff9ed50ab70ada02cddd5432d66b",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2025-07-17T17:59:58Z",
    "title_canon_sha256": "05cb25fa6c4aa0921ba33089bd8232ca1901920cf7cc1f3a853094fb5846e82f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.13351",
    "kind": "arxiv",
    "version": 1
  }
}