Pith Number

pith:7UDIFHWA

pith:2019:7UDIFHWA3I6A6E5YF7EEYRZLH6

not attested not anchored not stored refs pending

Speckle observations and orbits of multiple stars

Andrei Tokovinin, David W. Latham, Elliott P. Horch, Guillermo Torres, Mark E. Everett

arxiv:1908.11445 v1 · 2019-08-29 · 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{7UDIFHWA3I6A6E5YF7EEYRZLH6}

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	2026-07-05T00:10:42.951506Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd06829ec0da3c0f13b82fc84c472b3fbc93e9f55dda707c2782a8664f3f81d9

Aliases

arxiv: 1908.11445 · arxiv_version: 1908.11445v1 · doi: 10.48550/arxiv.1908.11445 · pith_short_12: 7UDIFHWA3I6A · pith_short_16: 7UDIFHWA3I6A6E5Y · pith_short_8: 7UDIFHWA

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/7UDIFHWA3I6A6E5YF7EEYRZLH6 \
  | 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: fd06829ec0da3c0f13b82fc84c472b3fbc93e9f55dda707c2782a8664f3f81d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eac9482bcf51b5ffe87d0aeeb852bfb615c0865fb87af43148e35fcebfdaa157",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-08-29T20:32:49Z",
    "title_canon_sha256": "f8a8c2e2313b7a07d02ebda0484f66e3de4a47cccdef329d71ad301bde1850d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.11445",
    "kind": "arxiv",
    "version": 1
  }
}