Pith Number

pith:YQMYA4QE

pith:2020:YQMYA4QEPID6A5ILRYXBTLRQUL

not attested not anchored not stored refs pending

Long-range miniature ceramic RFID tags

Alexey Slobozhanyuk, Andrey Bogdanov, Anna Mikhailovskaya, Diana Shakirova, Dmitry Dobrykh, Dmitry Filonov, Ildar Yusupov, Pavel Ginzburg, Sergey Krasikov

arxiv:2004.08457 v1 · 2020-04-17 · 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{YQMYA4QEPID6A5ILRYXBTLRQUL}

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	2026-07-05T02:49:10.359528Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4198072047a07e0750b8e2e19ae30a2d3ff1ead3b31b1b5f68a6d976d7cfd3d

Aliases

arxiv: 2004.08457 · arxiv_version: 2004.08457v1 · doi: 10.48550/arxiv.2004.08457 · pith_short_12: YQMYA4QEPID6 · pith_short_16: YQMYA4QEPID6A5IL · pith_short_8: YQMYA4QE

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/YQMYA4QEPID6A5ILRYXBTLRQUL \
  | 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: c4198072047a07e0750b8e2e19ae30a2d3ff1ead3b31b1b5f68a6d976d7cfd3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3ea94fa6b6de09902d53d2fb5572dc1023bebfd65eb5d5fd10e1ae2f94e7e7c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2020-04-17T21:18:37Z",
    "title_canon_sha256": "c707ece2b94ce273ef6749c17e569887011526031d7cf2fd2b05b51a587d7ceb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.08457",
    "kind": "arxiv",
    "version": 1
  }
}