Pith Number

pith:P33Y23MI

pith:2013:P33Y23MIPJJEP5XUM6CEDFAZEJ

not attested not anchored not stored refs pending

Robotic observations of the most eccentric spectroscopic binary in the sky

K. G. Strassmeier, M. Weber, T. Granzer

arxiv:1310.2107 v1 · 2013-10-08 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P33Y23MIPJJEP5XUM6CEDFAZEJ}

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	2026-05-18T03:08:26.613988Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ef78d6d887a5247f6f4678441941922468ffa622d7074928fa1999726405c00

Aliases

arxiv: 1310.2107 · arxiv_version: 1310.2107v1 · doi: 10.48550/arxiv.1310.2107 · pith_short_12: P33Y23MIPJJE · pith_short_16: P33Y23MIPJJEP5XU · pith_short_8: P33Y23MI

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/P33Y23MIPJJEP5XUM6CEDFAZEJ \
  | 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: 7ef78d6d887a5247f6f4678441941922468ffa622d7074928fa1999726405c00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb3ca8c7526b1ebd3464532950a45652bcfb699c9c0bb38933ffb6cc66bcfb9b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-10-08T12:14:34Z",
    "title_canon_sha256": "c772b0c93c2808222846303d72bfc4db30d9ea26ae7ba9eaf7f5a57aa332423f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.2107",
    "kind": "arxiv",
    "version": 1
  }
}