Pith Number

pith:7HB57F2M

pith:2012:7HB57F2MT2ECZFBFIMAKCKXLV2

not attested not anchored not stored refs pending

Profiling of micrometer sized laser beams in restricted volumes

Aske Thorsen, Michael Drewsen, Otto Nielsen, Yevhen Miroshnychenko

arxiv:1201.4315 v1 · 2012-01-20 · physics.optics · physics.atom-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{7HB57F2MT2ECZFBFIMAKCKXLV2}

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	2026-05-18T03:33:50.146370Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9c3df974c9e882c94254300a12aebaeaa598cacaedc6f659fac17a37999e4bb

Aliases

arxiv: 1201.4315 · arxiv_version: 1201.4315v1 · doi: 10.48550/arxiv.1201.4315 · pith_short_12: 7HB57F2MT2EC · pith_short_16: 7HB57F2MT2ECZFBF · pith_short_8: 7HB57F2M

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/7HB57F2MT2ECZFBFIMAKCKXLV2 \
  | 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: f9c3df974c9e882c94254300a12aebaeaa598cacaedc6f659fac17a37999e4bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b820236c9de8610697bfb5da0b5803083bb13f50c573250050c17283e6f3e013",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2012-01-20T15:12:25Z",
    "title_canon_sha256": "624465797d3372939aa9b8701d21e182a641f422f11fc1c0eb619de81b21acd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.4315",
    "kind": "arxiv",
    "version": 1
  }
}