Pith Number

pith:PH3MMNE4

pith:2026:PH3MMNE46GCHJFUWYFL7H4ZX5Y

not attested not anchored not stored refs pending

Sub-residue sharpness of protein helix-coil transitions reveals a spatial-spectral uncertainty limit

Yiquan Wang

arxiv:2602.21787 v2 · 2026-02-25 · q-bio.BM · math-ph · math.MP · nlin.PS · physics.bio-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{PH3MMNE46GCHJFUWYFL7H4ZX5Y}

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	2026-05-20T00:04:26.654289Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79f6c6349cf184749696c157f3f337ee37f684fc547e0bf2b5374e76804641f2

Aliases

arxiv: 2602.21787 · arxiv_version: 2602.21787v2 · doi: 10.48550/arxiv.2602.21787 · pith_short_12: PH3MMNE46GCH · pith_short_16: PH3MMNE46GCHJFUW · pith_short_8: PH3MMNE4

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/PH3MMNE46GCHJFUWYFL7H4ZX5Y \
  | 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: 79f6c6349cf184749696c157f3f337ee37f684fc547e0bf2b5374e76804641f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ecae8e6a420711d3a5ef754f96de06c6da78f564c2e3823041b91413b35101d7",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "nlin.PS",
      "physics.bio-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "q-bio.BM",
    "submitted_at": "2026-02-25T11:08:58Z",
    "title_canon_sha256": "d664b34eb4b9477672dca4857db30e909eefc874917815e395fd8854dbebebab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.21787",
    "kind": "arxiv",
    "version": 2
  }
}