Pith Number

pith:NUY22Z2K

pith:2021:NUY22Z2KABUELPL4HMIVIQY5YF

not attested not anchored not stored refs pending

4Dia: A tool for automated 4D microscope image alignment

Changhwan Lee, Michelle A. Urman, Nimmy S. John

arxiv:2111.03988 v1 · 2021-11-07 · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NUY22Z2KABUELPL4HMIVIQY5YF}

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	2026-07-05T03:29:54.519642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d31ad674a006845bd7c3b1154431dc158251a9fd9feffcde53a7ac7ead90694

Aliases

arxiv: 2111.03988 · arxiv_version: 2111.03988v1 · doi: 10.48550/arxiv.2111.03988 · pith_short_12: NUY22Z2KABUE · pith_short_16: NUY22Z2KABUELPL4 · pith_short_8: NUY22Z2K

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/NUY22Z2KABUELPL4HMIVIQY5YF \
  | 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: 6d31ad674a006845bd7c3b1154431dc158251a9fd9feffcde53a7ac7ead90694

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cf9b564f8083772f2e4739ba35ca8735c5837503f0c39a5b08e66539f23b3e0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2021-11-07T02:39:48Z",
    "title_canon_sha256": "7e2cd7373ded2fd94e2d1dfaa6c5838d96f46deb8cd822e0a7db53a41acc1069"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.03988",
    "kind": "arxiv",
    "version": 1
  }
}