Pith Number

pith:7PHEALLK

pith:2012:7PHEALLKUHXQIZLH24RTLPOHQC

not attested not anchored not stored refs pending

The LBFGS Quasi-Newtonian Method for Molecular Modeling Prion AGAAAAGA Amyloid Fibrils

Changyu Wang, Jiapu Zhang, Xiangsun Zhang, Yating Hou, Yiju Wang

arxiv:1206.1755 v3 · 2012-06-08 · math.OC · physics.bio-ph · q-bio.BM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7PHEALLKUHXQIZLH24RTLPOHQC}

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	2026-05-18T03:37:28.950172Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbce402d6aa1ef046567d72335bdc780a69130ab91a3d90c9106cc61d7e4de16

Aliases

arxiv: 1206.1755 · arxiv_version: 1206.1755v3 · doi: 10.48550/arxiv.1206.1755 · pith_short_12: 7PHEALLKUHXQ · pith_short_16: 7PHEALLKUHXQIZLH · pith_short_8: 7PHEALLK

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/7PHEALLKUHXQIZLH24RTLPOHQC \
  | 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: fbce402d6aa1ef046567d72335bdc780a69130ab91a3d90c9106cc61d7e4de16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1bd9c08c0697de091e3815943e9080ae1e0142f8500d100e84fb38ecb93fa0e",
    "cross_cats_sorted": [
      "physics.bio-ph",
      "q-bio.BM"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2012-06-08T13:30:34Z",
    "title_canon_sha256": "77b28840263081206fa9f771e5c942bca8ff8f58205d2ccc87c8972e18b1f10d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.1755",
    "kind": "arxiv",
    "version": 3
  }
}