Pith Number

pith:ONCRJ2BN

pith:2013:ONCRJ2BNBV5VA7RVZDCSJMDOBA

not attested not anchored not stored refs pending

Instrumental polarisation at the Nasmyth focus of the E-ELT

C. U. Keller, F. Snik, L. Venema, M. de Juan Ovelar

arxiv:1312.6148 v1 · 2013-12-20 · 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{ONCRJ2BNBV5VA7RVZDCSJMDOBA}

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	2026-05-18T01:45:43.024246Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

734514e82d0d7b507e35c8c524b06e0809412d8f97cdcd0584fe615a31a336b9

Aliases

arxiv: 1312.6148 · arxiv_version: 1312.6148v1 · doi: 10.48550/arxiv.1312.6148 · pith_short_12: ONCRJ2BNBV5V · pith_short_16: ONCRJ2BNBV5VA7RV · pith_short_8: ONCRJ2BN

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/ONCRJ2BNBV5VA7RVZDCSJMDOBA \
  | 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: 734514e82d0d7b507e35c8c524b06e0809412d8f97cdcd0584fe615a31a336b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab222daeddee8070ac0e94f20bd9a63a0d5af19957a0d80a98f40830481bb480",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-12-20T21:31:09Z",
    "title_canon_sha256": "a2bead1203772f473728210ddd2a839018a59617f32482d4ee2528053ea9c234"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.6148",
    "kind": "arxiv",
    "version": 1
  }
}