Pith Number

pith:4MFD7QSR

pith:2011:4MFD7QSR2G2ON73YPXLJREYLCV

not attested not anchored not stored refs pending

The 5'-3' distance of RNA secondary structures

Christian M. Reidys, Hillary S. W. Han

arxiv:1104.3316 v3 · 2011-04-17 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4MFD7QSR2G2ON73YPXLJREYLCV}

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	2026-05-18T04:05:27.570680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e30a3fc251d1b4e6ff787dd698930b15588bb4414d6c6b1d404bca9dd449b6ac

Aliases

arxiv: 1104.3316 · arxiv_version: 1104.3316v3 · doi: 10.48550/arxiv.1104.3316 · pith_short_12: 4MFD7QSR2G2O · pith_short_16: 4MFD7QSR2G2ON73Y · pith_short_8: 4MFD7QSR

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/4MFD7QSR2G2ON73YPXLJREYLCV \
  | 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: e30a3fc251d1b4e6ff787dd698930b15588bb4414d6c6b1d404bca9dd449b6ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "367c28fe4a5bc0a1c3e18349e3a09ff470700c799e6698e8525764dc42adb525",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-04-17T13:38:31Z",
    "title_canon_sha256": "902653f8bf13609dcea93ba6003687a335b8a5f632f3a4b1a51e6333ff1a8cd2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.3316",
    "kind": "arxiv",
    "version": 3
  }
}