Pith Number

pith:B2DFGHCP

pith:2018:B2DFGHCPGXR2EPVFLFURGI5FZT

not attested not anchored not stored refs pending

Development of the Fabry-Perot interferometers for the HIRMES spectrometer on SOFIA

Alexander Kutyrev, Chuck Henderson, George Gull, Gordon Stacey, Greg Douthit, Harvey Moseley, Kayla Rossi, Thomas Nikola

arxiv:1808.05218 v2 · 2018-08-15 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B2DFGHCPGXR2EPVFLFURGI5FZT}

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	2026-05-18T00:07:54.703922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e86531c4f35e3a23ea559691323a5ccfe820ca569b9aa6c9bcc089bd89fc759

Aliases

arxiv: 1808.05218 · arxiv_version: 1808.05218v2 · doi: 10.48550/arxiv.1808.05218 · pith_short_12: B2DFGHCPGXR2 · pith_short_16: B2DFGHCPGXR2EPVF · pith_short_8: B2DFGHCP

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/B2DFGHCPGXR2EPVFLFURGI5FZT \
  | 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: 0e86531c4f35e3a23ea559691323a5ccfe820ca569b9aa6c9bcc089bd89fc759

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d47a626e50c6aeb4358964de53c72b9799b35a162bb5a4f3dacb4179485828b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-08-15T18:00:00Z",
    "title_canon_sha256": "4293b088fd3cc10d33684ba93aae70617d0798464add2296b69ab40cca1f0024"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.05218",
    "kind": "arxiv",
    "version": 2
  }
}