Pith Number

pith:PROSFEGW

pith:2017:PROSFEGWBXXSIIFYG3DHSPGXWQ

not attested not anchored not stored refs pending

Bright-field microscopy of transparent objects: a ray tracing approach

A. K. Khitrin, M. A. Model

arxiv:1702.04692 v1 · 2017-02-15 · 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{PROSFEGWBXXSIIFYG3DHSPGXWQ}

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	2026-05-18T00:23:40.025216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c5d2290d60def2420b836c6793cd7b42750bf9d28305410c536922cf37b9dc7

Aliases

arxiv: 1702.04692 · arxiv_version: 1702.04692v1 · doi: 10.48550/arxiv.1702.04692 · pith_short_12: PROSFEGWBXXS · pith_short_16: PROSFEGWBXXSIIFY · pith_short_8: PROSFEGW

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/PROSFEGWBXXSIIFYG3DHSPGXWQ \
  | 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: 7c5d2290d60def2420b836c6793cd7b42750bf9d28305410c536922cf37b9dc7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a21fc8b7fd3b11cc6ac16323b37d68c7d98a749368425e341dfeeda00bef93ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2017-02-15T17:46:04Z",
    "title_canon_sha256": "8045846bba403b3b00807c9d12810e89dc947f8b71eb70f7e98a43e4b3e8aab6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.04692",
    "kind": "arxiv",
    "version": 1
  }
}