Pith Number

pith:PDIBZTWL

pith:2015:PDIBZTWLHLVYOY3JEOCW3BUOUB

not attested not anchored not stored refs pending

Accurate encoding and decoding by single cells: amplitude versus frequency modulation

David M. Richards, Gabriele Micali, Gerardo Aquino, Robert G. Endres

arxiv:1505.05410 v1 · 2015-05-20 · q-bio.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PDIBZTWLHLVYOY3JEOCW3BUOUB}

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	2026-05-18T00:46:43.231392Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78d01ccecb3aeb87636923856d868ea047b6f854fc579c564a9962fcbf0f65f2

Aliases

arxiv: 1505.05410 · arxiv_version: 1505.05410v1 · doi: 10.48550/arxiv.1505.05410 · pith_short_12: PDIBZTWLHLVY · pith_short_16: PDIBZTWLHLVYOY3J · pith_short_8: PDIBZTWL

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/PDIBZTWLHLVYOY3JEOCW3BUOUB \
  | 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: 78d01ccecb3aeb87636923856d868ea047b6f854fc579c564a9962fcbf0f65f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51ac9b9fd76e8431edb41fc3a6d6f50c2205fcd6805fd7f165d83df447e4a0ed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.SC",
    "submitted_at": "2015-05-20T15:09:49Z",
    "title_canon_sha256": "e6cb8186a935222c963b322f856b0b05588197fb4f0309c742a08726a9f148d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.05410",
    "kind": "arxiv",
    "version": 1
  }
}