Pith Number

pith:LIQ4RRGF

pith:2013:LIQ4RRGFGFSGQCTCZSHYROM66F

not attested not anchored not stored refs pending

A new acoustic lens material for large area detectors in photoacoustic breast tomography

Daniele Piras, Johan C. G. van Hespen, Srirang Manohar, Wenfeng Xia, Wiendelt Steenbergen

arxiv:1305.4062 v1 · 2013-05-17 · physics.med-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{LIQ4RRGFGFSGQCTCZSHYROM66F}

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	2026-05-18T03:25:26.412152Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a21c8c4c53164680a62cc8f88b99ef160af45904bf89115ab304c1cc4bbdc92

Aliases

arxiv: 1305.4062 · arxiv_version: 1305.4062v1 · doi: 10.48550/arxiv.1305.4062 · pith_short_12: LIQ4RRGFGFSG · pith_short_16: LIQ4RRGFGFSGQCTC · pith_short_8: LIQ4RRGF

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/LIQ4RRGFGFSGQCTCZSHYROM66F \
  | 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: 5a21c8c4c53164680a62cc8f88b99ef160af45904bf89115ab304c1cc4bbdc92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2dc470aa83713af7c0036776f5dcc4c4dbe6d605a851559270bcc0256374ec6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2013-05-17T12:31:11Z",
    "title_canon_sha256": "f085785cff0ee558f4c7338dd098dd162c9ba97e9871ab4347a1567130afc34d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4062",
    "kind": "arxiv",
    "version": 1
  }
}