Pith Number

pith:OT5P6SDR

pith:2012:OT5P6SDROW7V62A7CKWNG2PVJZ

not attested not anchored not stored refs pending

The European Southern Observatory and VLT Telescopes on Paranal

Paul A. Boley

arxiv:1202.3310 v2 · 2012-02-15 · 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{OT5P6SDROW7V62A7CKWNG2PVJZ}

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	2026-05-18T04:02:01.525590Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74faff487175bf5f681f12acd369f54e58f4322ffc6265215c6e86f6911ab632

Aliases

arxiv: 1202.3310 · arxiv_version: 1202.3310v2 · doi: 10.48550/arxiv.1202.3310 · pith_short_12: OT5P6SDROW7V · pith_short_16: OT5P6SDROW7V62A7 · pith_short_8: OT5P6SDR

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/OT5P6SDROW7V62A7CKWNG2PVJZ \
  | 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: 74faff487175bf5f681f12acd369f54e58f4322ffc6265215c6e86f6911ab632

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ce0ac103d099c86330ccb9360dfd60d3bc403edc926af27d7d87a85aa5d2975",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-02-15T14:12:25Z",
    "title_canon_sha256": "dab9d1aba381c5bea20968af39ec5b82530e6d248d79ea5da1a86b75522baea9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.3310",
    "kind": "arxiv",
    "version": 2
  }
}