Pith Number

pith:TBSSPDAK

pith:2018:TBSSPDAKEDJGHEHTXLMTUO76SJ

not attested not anchored not stored refs pending

BTFI2: a simple, light and compact Fabry-Perot instrument for the SOAR telescope

Brian Chinn, Bruno Correa Quint, Claudia Mendes de Oliveira, Daniel Moser Faes, Denis Andrade, Philippe Amram, William Schoenell

arxiv:1808.07939 v2 · 2018-08-23 · 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{TBSSPDAKEDJGHEHTXLMTUO76SJ}

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	2026-05-18T00:07:16.864938Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9865278c0a20d26390f3bad93a3bfe92495f5501e47e2b6390bfb58cc4712c20

Aliases

arxiv: 1808.07939 · arxiv_version: 1808.07939v2 · doi: 10.48550/arxiv.1808.07939 · pith_short_12: TBSSPDAKEDJG · pith_short_16: TBSSPDAKEDJGHEHT · pith_short_8: TBSSPDAK

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/TBSSPDAKEDJGHEHTXLMTUO76SJ \
  | 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: 9865278c0a20d26390f3bad93a3bfe92495f5501e47e2b6390bfb58cc4712c20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2a5cd5a9e2a9e50c849a88e781280f5acfe54f2c9ed79c3a9c427c55c91760c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-08-23T20:35:43Z",
    "title_canon_sha256": "c4cae94d5a2fbd5ed95a772259a1e6a67adbfffe864fb222a18fb2f5e9721973"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.07939",
    "kind": "arxiv",
    "version": 2
  }
}