Pith Number

pith:7B5WKUNN

pith:2017:7B5WKUNNLEITPGTPGQ7XZOMZ6O

not attested not anchored not stored refs pending

Information Storage and Retrieval using Macromolecules as Storage Media

J. Kevin Erwin, J.W. Perry, Kibyung Seong, M. Mansuripur, M.S. Giridhar, N. Peyghambarian, P.K. Khulbe, Seth Marder, S.M. Kuebler

arxiv:1708.08018 v1 · 2017-08-26 · cs.ET · physics.app-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{7B5WKUNNLEITPGTPGQ7XZOMZ6O}

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	2026-05-18T00:36:37.277773Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f87b6551ad5911379a6f343f7cb999f38ad556c4d6c830172208cbf021ac2f8d

Aliases

arxiv: 1708.08018 · arxiv_version: 1708.08018v1 · doi: 10.48550/arxiv.1708.08018 · pith_short_12: 7B5WKUNNLEIT · pith_short_16: 7B5WKUNNLEITPGTP · pith_short_8: 7B5WKUNN

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/7B5WKUNNLEITPGTPGQ7XZOMZ6O \
  | 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: f87b6551ad5911379a6f343f7cb999f38ad556c4d6c830172208cbf021ac2f8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec800586438aff00b69d29c64efae14757a1892eeeb54cfcbd4f95f0cbb79957",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.ET",
    "submitted_at": "2017-08-26T21:12:46Z",
    "title_canon_sha256": "219fc19201aefdd0442df11fd7ce91e4a46b72f3d7c0822e15e4820d6f9bca35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.08018",
    "kind": "arxiv",
    "version": 1
  }
}