Pith Number

pith:RQ7U4NWC

pith:2019:RQ7U4NWCQMRGWENIOZRZPFVOCP

not attested not anchored not stored refs pending

Inter-residue, inter-protein and inter-family coevolution: bridging the scales

Hendrik Szurmant, Martin Weigt

arxiv:1906.09881 v1 · 2019-06-24 · q-bio.BM · physics.bio-ph · q-bio.MN · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RQ7U4NWCQMRGWENIOZRZPFVOCP}

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	2026-05-17T23:42:36.350165Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c3f4e36c283226b11a876639796ae13fa2bdee1ed843bab70477c85ee22d87d

Aliases

arxiv: 1906.09881 · arxiv_version: 1906.09881v1 · doi: 10.48550/arxiv.1906.09881 · pith_short_12: RQ7U4NWCQMRG · pith_short_16: RQ7U4NWCQMRGWENI · pith_short_8: RQ7U4NWC

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/RQ7U4NWCQMRGWENIOZRZPFVOCP \
  | 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: 8c3f4e36c283226b11a876639796ae13fa2bdee1ed843bab70477c85ee22d87d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6e87ae2ec7439d5585ccb3bd6f970b9665f80dd9e6e8fd732d0f2bda7172796",
    "cross_cats_sorted": [
      "physics.bio-ph",
      "q-bio.MN",
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.BM",
    "submitted_at": "2019-06-24T12:28:28Z",
    "title_canon_sha256": "3be1cbb9de4ead17fe724f5409386a0327863516b3cde06929081df98b9ff5e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.09881",
    "kind": "arxiv",
    "version": 1
  }
}