Pith Number

pith:5P5GM7XX

pith:2021:5P5GM7XXA777QWGX6XQTCYD7KT

not attested not anchored not stored refs pending

Comparison of round- and square-core fibers for sensing, imaging and spectroscopy

Lyubov V. Amitonova, Matthias C. Velsink, Pepijn W. H. Pinkse, Zhouping Lyu

arxiv:2101.07153 v1 · 2021-01-18 · physics.optics · eess.IV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5P5GM7XXA777QWGX6XQTCYD7KT}

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	2026-07-05T02:16:17.264588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebfa667ef707fff858d7f5e131607f54c3b2d09d2cdfab9fbe4ecf4641f01216

Aliases

arxiv: 2101.07153 · arxiv_version: 2101.07153v1 · doi: 10.48550/arxiv.2101.07153 · pith_short_12: 5P5GM7XXA777 · pith_short_16: 5P5GM7XXA777QWGX · pith_short_8: 5P5GM7XX

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/5P5GM7XXA777QWGX6XQTCYD7KT \
  | 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: ebfa667ef707fff858d7f5e131607f54c3b2d09d2cdfab9fbe4ecf4641f01216

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "707d4fcd418c238f6d7ea34c47d4ab5513ebe25cfe2e3928c6a76471de590915",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-01-18T16:37:06Z",
    "title_canon_sha256": "794430c54919391ee85abbed25eec3d5d998067a687758bf9f0ece40384aa2d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.07153",
    "kind": "arxiv",
    "version": 1
  }
}