Pith Number

pith:OQL3X57S

pith:2021:OQL3X57SYKR3MQNBEUNP64MU4F

not attested not anchored not stored refs pending

Sub-picoliter Traceability of Microdroplet Gravimetry and Microscopy

Adam L. Pintar, B. Robert Ilic, Craig R. Copeland, Lindsay C. C. Elliott, R. Michael Verkouteren, Ronald G. Dixson, Samuel M. Stavis, Thomas B. Renegar

arxiv:2109.09455 v2 · 2021-08-13 · physics.app-ph · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OQL3X57SYKR3MQNBEUNP64MU4F}

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	2026-07-05T03:53:37.867897Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7417bbf7f2c2a3b641a1251aff7194e14da134b9679ff7b79afafef03448d1ee

Aliases

arxiv: 2109.09455 · arxiv_version: 2109.09455v2 · doi: 10.48550/arxiv.2109.09455 · pith_short_12: OQL3X57SYKR3 · pith_short_16: OQL3X57SYKR3MQNB · pith_short_8: OQL3X57S

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/OQL3X57SYKR3MQNBEUNP64MU4F \
  | 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: 7417bbf7f2c2a3b641a1251aff7194e14da134b9679ff7b79afafef03448d1ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c1c12fa97ae877fee4f192bdab2a4631043c55e2938d0ff371798fcf4e3a3b5",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2021-08-13T20:57:22Z",
    "title_canon_sha256": "e70bff6c3548c06fef7f67195f6880ccaa6168257b31962546fa4279e3bdbffa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.09455",
    "kind": "arxiv",
    "version": 2
  }
}