Pith Number

pith:EIGN4CPS

pith:2012:EIGN4CPSPCS62SLFGW2MNYLYPX

not attested not anchored not stored refs pending

Preliminary design of the Visible Spectro-Polarimeter for the Advanced Technology Solar Telescope

Alfred G. de Wijn, Pei Huang, Peter G. Nelson, Roberto Casini

arxiv:1207.0976 v1 · 2012-07-04 · 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{EIGN4CPSPCS62SLFGW2MNYLYPX}

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	2026-05-18T01:56:34.960987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

220cde09f278a5ed496535b4c6e1787dc85295ea29634aa2a4ece16829251870

Aliases

arxiv: 1207.0976 · arxiv_version: 1207.0976v1 · doi: 10.48550/arxiv.1207.0976 · pith_short_12: EIGN4CPSPCS6 · pith_short_16: EIGN4CPSPCS62SLF · pith_short_8: EIGN4CPS

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/EIGN4CPSPCS62SLFGW2MNYLYPX \
  | 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: 220cde09f278a5ed496535b4c6e1787dc85295ea29634aa2a4ece16829251870

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb32dbd781b176fbf0cff36159e83282b290fe76c42890411fe1614339db44fb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-07-04T13:31:48Z",
    "title_canon_sha256": "a1b923952936523adba41eb008e41e0b6a27f77a62ce6421f1e7fbf7ad85df05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.0976",
    "kind": "arxiv",
    "version": 1
  }
}