Pith Number

pith:3OFYERA6

pith:2021:3OFYERA6KYZ7CMR67JJEEAMT7X

not attested not anchored not stored refs pending

Spatial response identification enables robust experimental ultrasound computed tomography

Carlos Cueto, George Strong, Javier Cudeiro, Lluis Guasch, Meng-Xing Tang, Oscar Bates, Oscar Calderon Agudo

arxiv:2103.10722 v2 · 2021-03-19 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3OFYERA6KYZ7CMR67JJEEAMT7X}

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	2026-07-05T04:24:21.452722Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db8b82441e5633f1323efa52420193fdc95202888fb357ce82fccc0320aa0be9

Aliases

arxiv: 2103.10722 · arxiv_version: 2103.10722v2 · doi: 10.48550/arxiv.2103.10722 · pith_short_12: 3OFYERA6KYZ7 · pith_short_16: 3OFYERA6KYZ7CMR6 · pith_short_8: 3OFYERA6

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/3OFYERA6KYZ7CMR67JJEEAMT7X \
  | 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: db8b82441e5633f1323efa52420193fdc95202888fb357ce82fccc0320aa0be9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28d777c0504491064e024d8aae148a15d2783e2955890009a8be952c55119d49",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2021-03-19T10:29:02Z",
    "title_canon_sha256": "348e44cf4b2d2c167e605265130e28df679818ff3528092b60f4b9cd5fc83e63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.10722",
    "kind": "arxiv",
    "version": 2
  }
}