Pith Number

pith:4KMHCO4U

pith:2015:4KMHCO4UG23WCSEQYKBOYC6CHP

not attested not anchored not stored refs pending

Discontinuous transitions: Multiphasic profiles for channels, binding, pH, folding and chain length

Per Nissen

arxiv:1511.06601 v2 · 2015-11-20 · 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{4KMHCO4UG23WCSEQYKBOYC6CHP}

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	2026-05-18T01:25:11.035514Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e298713b9436b7614890c282ec0bc23be038711c55c80762573759bf1af4592b

Aliases

arxiv: 1511.06601 · arxiv_version: 1511.06601v2 · doi: 10.48550/arxiv.1511.06601 · pith_short_12: 4KMHCO4UG23W · pith_short_16: 4KMHCO4UG23WCSEQ · pith_short_8: 4KMHCO4U

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/4KMHCO4UG23WCSEQYKBOYC6CHP \
  | 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: e298713b9436b7614890c282ec0bc23be038711c55c80762573759bf1af4592b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c69c1ae33944ee5a71d0d475ab3ab781d41d8d4b68fc9a19affc802f94857513",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2015-11-20T14:02:32Z",
    "title_canon_sha256": "8fe5815f531be088259f7baeb7308103ed789b3cf032d01fd03a2f620e25d2bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.06601",
    "kind": "arxiv",
    "version": 2
  }
}