Pith Number

pith:RQZ2A5EG

pith:2000:RQZ2A5EGU2DJUN2B3VYS52JTZR

not attested not anchored not stored refs pending

A Novel Approach to Structure Alignment

C. Peterson, M. Ohlsson, M. Ringner, R. Blankenbecler

arxiv:physics/0006045 v1 · 2000-06-19 · 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{RQZ2A5EGU2DJUN2B3VYS52JTZR}

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	2026-07-04T14:43:15.890132Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c33a07486a6869a3741dd712ee933cc772c1c35bd2e736816a09a1b62c60c96

Aliases

arxiv: physics/0006045 · arxiv_version: physics/0006045v1 · doi: 10.48550/arxiv.physics/0006045 · pith_short_12: RQZ2A5EGU2DJ · pith_short_16: RQZ2A5EGU2DJUN2B · pith_short_8: RQZ2A5EG

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/RQZ2A5EGU2DJUN2B3VYS52JTZR \
  | 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: 8c33a07486a6869a3741dd712ee933cc772c1c35bd2e736816a09a1b62c60c96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80396b7a42514737a6d518f08eef5e91f7ed573f9739f8c1b0e92387cf3ab9b5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2000-06-19T13:04:16Z",
    "title_canon_sha256": "9cc3df769b86c68185b4598ba2712076df632323363ec08f1a78501499d1436f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0006045",
    "kind": "arxiv",
    "version": 1
  }
}