Pith Number

pith:77N5OBJR

pith:2019:77N5OBJRMBR5AEJ7KKQLZRXZAU

not attested not anchored not stored refs pending

A portable potentiometric electronic tongue leveraging smartphone and cloud platforms

Aaron Cox, Antonio Lopez Marin, Eiji Nakamura, Jorge Barroso Carmona, Keiji Matsumoto, Luca Capua, Patrick W. Ruch, Rui Hu, Stephan Paredes, Yuksel Temiz

arxiv:1907.06641 v1 · 2019-07-15 · cs.ET

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{77N5OBJRMBR5AEJ7KKQLZRXZAU}

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	2026-07-05T00:13:30.133189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffdbd705316063d0113f52a0bcc6f905041851ef560e4197a111f2aa97c26490

Aliases

arxiv: 1907.06641 · arxiv_version: 1907.06641v1 · doi: 10.48550/arxiv.1907.06641 · pith_short_12: 77N5OBJRMBR5 · pith_short_16: 77N5OBJRMBR5AEJ7 · pith_short_8: 77N5OBJR

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/77N5OBJRMBR5AEJ7KKQLZRXZAU \
  | 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: ffdbd705316063d0113f52a0bcc6f905041851ef560e4197a111f2aa97c26490

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fca9c021864f79c40fab1d98dabb958ef40fb300c4985b72d460b03ec854313a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.ET",
    "submitted_at": "2019-07-15T15:10:35Z",
    "title_canon_sha256": "74ca86e939f7008a6297f72b1090383e7eb3ccb4c8676e4e6454183d83c6c8e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.06641",
    "kind": "arxiv",
    "version": 1
  }
}