Pith Number

pith:MR5ODYC2

pith:2014:MR5ODYC2SRN5D3OVMSLBWHHJJL

not attested not anchored not stored refs pending

Self-aligned setup for laser optical feedback imaging insensitive to parasitic optical feedback

Eric Lacot (LIPhy), Olivier Hugon (LIPhy), Olivier Jacquin (LIPhy), Samuel Heidmann (Grenoble 1 UJF)

arxiv:1402.6468 v1 · 2014-02-26 · 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{MR5ODYC2SRN5D3OVMSLBWHHJJL}

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	2026-05-18T02:57:44.452885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

647ae1e05a945bd1edd564961b1ce94ac030d7fdecee21f49a70da3fd4fd67a8

Aliases

arxiv: 1402.6468 · arxiv_version: 1402.6468v1 · doi: 10.48550/arxiv.1402.6468 · pith_short_12: MR5ODYC2SRN5 · pith_short_16: MR5ODYC2SRN5D3OV · pith_short_8: MR5ODYC2

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/MR5ODYC2SRN5D3OVMSLBWHHJJL \
  | 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: 647ae1e05a945bd1edd564961b1ce94ac030d7fdecee21f49a70da3fd4fd67a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "472cc42ebe9c3426ed77ff3aadd0ff5695011d1259d33054e59e96fc952eb9b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2014-02-26T09:24:55Z",
    "title_canon_sha256": "d30497a5f7530d4c05dc109cc87fcbf8127422c6cd30b4c69b4ab3804eca39f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.6468",
    "kind": "arxiv",
    "version": 1
  }
}