Pith Number

pith:A5WS3KUT

pith:2010:A5WS3KUT3IPQZSB3UIOZMJDN7Y

not attested not anchored not stored refs pending

The DDO Close Binary Spectroscopic Program

Slavek M. Rucinski

arxiv:1009.4604 v2 · 2010-09-23 · 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{A5WS3KUT3IPQZSB3UIOZMJDN7Y}

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	2026-05-18T04:39:50.052176Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

076d2daa93da1f0cc83ba21d96246dfe28affdf9de23c763b9bb3187ad58b7b8

Aliases

arxiv: 1009.4604 · arxiv_version: 1009.4604v2 · doi: 10.48550/arxiv.1009.4604 · pith_short_12: A5WS3KUT3IPQ · pith_short_16: A5WS3KUT3IPQZSB3 · pith_short_8: A5WS3KUT

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/A5WS3KUT3IPQZSB3UIOZMJDN7Y \
  | 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: 076d2daa93da1f0cc83ba21d96246dfe28affdf9de23c763b9bb3187ad58b7b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6558b227712d67df27b092f833077a7e6d81f404b554e301793919ba51ad9dba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-09-23T13:10:53Z",
    "title_canon_sha256": "b47d7599d5040b96f339ef266715d938249930a8cfb699ee4d64223023697558"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.4604",
    "kind": "arxiv",
    "version": 2
  }
}