Pith Number

pith:45HL3EDC

pith:2014:45HL3EDCU6PJ6MEJ6QCGDEK7O6

not attested not anchored not stored refs pending

Amplification of OAM Radiation by Astrophysical Masers

Giampaolo Pisano, Malcolm Gray, Peter Schemmel, Stefania Maccalli

arxiv:1410.0643 v1 · 2014-10-02 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{45HL3EDCU6PJ6MEJ6QCGDEK7O6}

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	2026-05-18T01:41:53.147911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e74ebd9062a79e9f3089f40461915f7796b5b36ee1bfb41d468575f643155448

Aliases

arxiv: 1410.0643 · arxiv_version: 1410.0643v1 · doi: 10.48550/arxiv.1410.0643 · pith_short_12: 45HL3EDCU6PJ · pith_short_16: 45HL3EDCU6PJ6MEJ · pith_short_8: 45HL3EDC

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/45HL3EDCU6PJ6MEJ6QCGDEK7O6 \
  | 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: e74ebd9062a79e9f3089f40461915f7796b5b36ee1bfb41d468575f643155448

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15780fff2604d42c93d29b897759d7ff15d9be85a81e3a89edf46e33cf6bfd61",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-10-02T18:53:32Z",
    "title_canon_sha256": "c4ebabda48a305c7840f5c00cac2b74a97420034bd221057cbb2287ec084f362"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.0643",
    "kind": "arxiv",
    "version": 1
  }
}