Pith Number

pith:VDCQVA63

pith:2016:VDCQVA634SYDBOUIUSSZPEK2NA

not attested not anchored not stored refs pending

Performance estimates for spectrographs using photonic reformatters

Andreas Quirrenbach, David G. MacLachlan, Lucas Labadie, Robert. J. Harris, Robert R. Thomson, Sabine Reffert, Ulrike Lemke

arxiv:1607.08424 v1 · 2016-07-28 · 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{VDCQVA634SYDBOUIUSSZPEK2NA}

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	2026-05-18T01:10:19.180150Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8c50a83dbe4b030ba88a4a597915a681b013d4c3de8f9ec321b671d0a2f0a8a

Aliases

arxiv: 1607.08424 · arxiv_version: 1607.08424v1 · doi: 10.48550/arxiv.1607.08424 · pith_short_12: VDCQVA634SYD · pith_short_16: VDCQVA634SYDBOUI · pith_short_8: VDCQVA63

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/VDCQVA634SYDBOUIUSSZPEK2NA \
  | 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: a8c50a83dbe4b030ba88a4a597915a681b013d4c3de8f9ec321b671d0a2f0a8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1c256aa40342a51fd8e86a91f3ed5e6e831dcdaba7498148528c9e0b0515d65",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-07-28T12:24:50Z",
    "title_canon_sha256": "37dc787c9376f869cc25d9a36fffcb2f07a90f43baf0f9ab87b7e78cd20d0c41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.08424",
    "kind": "arxiv",
    "version": 1
  }
}