Pith Number

pith:G7QQ3C7T

pith:2012:G7QQ3C7TQLOZO6XELISUJDFAX2

not attested not anchored not stored refs pending

An Inexpensive Liquid Crystal Spectropolarimeter for the Dominion Astrophysical Observatory Plaskett Telescope

D. Bohlender, D. Monin, L. Saddlemyer, M. Fletcher, T. Hardy

arxiv:1203.0278 v1 · 2012-03-01 · 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{G7QQ3C7TQLOZO6XELISUJDFAX2}

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	2026-05-18T01:58:16.028832Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37e10d8bf382dd977ae45a25448ca0be9676c703541fe845579e84d23b3650fb

Aliases

arxiv: 1203.0278 · arxiv_version: 1203.0278v1 · doi: 10.48550/arxiv.1203.0278 · pith_short_12: G7QQ3C7TQLOZ · pith_short_16: G7QQ3C7TQLOZO6XE · pith_short_8: G7QQ3C7T

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/G7QQ3C7TQLOZO6XELISUJDFAX2 \
  | 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: 37e10d8bf382dd977ae45a25448ca0be9676c703541fe845579e84d23b3650fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afe265149d9f838e88f69ec149b2cb9550a70f87d441c7022d2a2dcc71c03e5b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-03-01T19:45:53Z",
    "title_canon_sha256": "69a5069b84c2a31cfb78a6a9e11729736f240c240d30592a6df1d6e0213a4192"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.0278",
    "kind": "arxiv",
    "version": 1
  }
}