Pith Number

pith:YESF5BIO

pith:2025:YESF5BIOXZDS372MVA3QHRHQMT

not attested not anchored not stored refs pending

Observation of dispersion anomalies by design

Mahmoud M. Samak, Osama R. Bilal

arxiv:2505.22844 v1 · 2025-05-28 · physics.app-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YESF5BIOXZDS372MVA3QHRHQMT}

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	2026-07-05T11:11:50.755923Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1245e850ebe472dff4ca83703c4f064d00d7cb9d96b9bcc1907b7d79c77a130

Aliases

arxiv: 2505.22844 · arxiv_version: 2505.22844v1 · doi: 10.48550/arxiv.2505.22844 · pith_short_12: YESF5BIOXZDS · pith_short_16: YESF5BIOXZDS372M · pith_short_8: YESF5BIO

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/YESF5BIOXZDS372MVA3QHRHQMT \
  | 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: c1245e850ebe472dff4ca83703c4f064d00d7cb9d96b9bcc1907b7d79c77a130

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34bb0cfb9241f16a5f17c7f2f1a5cad3b1540132fd18ffdd01130a007bc2261f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2025-05-28T20:22:54Z",
    "title_canon_sha256": "160fc0cc09f674f413fea91101d1fb0ccfdc3de990b16c266713160a8f45657e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.22844",
    "kind": "arxiv",
    "version": 1
  }
}