Pith Number

pith:2ZPW3WCM

pith:2012:2ZPW3WCMQRASCZFN7B3EYVGFKX

not attested not anchored not stored refs pending

The Dynamics of Zeroth-Order Ultrasensitivity: A Critical Phenomenon in Cell Biology

Hong Qian, Qingdao Huang

arxiv:1205.6219 v1 · 2012-05-28 · q-bio.SC · 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{2ZPW3WCMQRASCZFN7B3EYVGFKX}

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	2026-05-18T03:54:47.430840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d65f6dd84c84412164adf8764c54c555d0e911fbd1ac333091591d21c7f3511c

Aliases

arxiv: 1205.6219 · arxiv_version: 1205.6219v1 · doi: 10.48550/arxiv.1205.6219 · pith_short_12: 2ZPW3WCMQRAS · pith_short_16: 2ZPW3WCMQRASCZFN · pith_short_8: 2ZPW3WCM

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/2ZPW3WCMQRASCZFN7B3EYVGFKX \
  | 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: d65f6dd84c84412164adf8764c54c555d0e911fbd1ac333091591d21c7f3511c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e887456714624461db01f3c2136a1fb38a8f7c324f16b0a0b41d461f3052b88d",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.SC",
    "submitted_at": "2012-05-28T21:11:03Z",
    "title_canon_sha256": "8e7d75b3e89b96026f15efef9da66c5068f7df172e9a91297887930aebc1efb7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.6219",
    "kind": "arxiv",
    "version": 1
  }
}