Pith Number

pith:6T7GQYEF

pith:2013:6T7GQYEFBROYQT5JNJ5GS46U7O

not attested not anchored not stored refs pending

Photoacoustic Tomography using a Michelson Interferometer with Quadrature Phase Detection

Alexis I. Bishop, Rory W. Speirs

arxiv:1303.0467 v2 · 2013-03-03 · 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{6T7GQYEFBROYQT5JNJ5GS46U7O}

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	2026-05-18T03:17:14.518947Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4fe6860850c5d884fa96a7a6973d4fbad30dce025b92f1b51919b2972c9b4f1

Aliases

arxiv: 1303.0467 · arxiv_version: 1303.0467v2 · doi: 10.48550/arxiv.1303.0467 · pith_short_12: 6T7GQYEFBROY · pith_short_16: 6T7GQYEFBROYQT5J · pith_short_8: 6T7GQYEF

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/6T7GQYEFBROYQT5JNJ5GS46U7O \
  | 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: f4fe6860850c5d884fa96a7a6973d4fbad30dce025b92f1b51919b2972c9b4f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eee45b4021fdc66293535a103b8bc4e155fda9cdd7e63de1b836b63c7fc23330",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2013-03-03T06:39:05Z",
    "title_canon_sha256": "16a1dc2fac069d35016c701f0525ee47cdeb635a6d3238a2fa5e6fcefd8280d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.0467",
    "kind": "arxiv",
    "version": 2
  }
}