Pith Number

pith:WYZ3EPWB

pith:2019:WYZ3EPWBWIEFEWOLLA5O2ZFILY

not attested not anchored not stored refs pending

Star Watch Astrometry Probe

Philip Horzempa

arxiv:1907.07670 v1 · 2019-07-17 · astro-ph.IM · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WYZ3EPWBWIEFEWOLLA5O2ZFILY}

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	2026-05-17T23:40:16.796842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b633b23ec1b2085259cb583aed64a85e0f00605a3887a04263b42832ced02fd3

Aliases

arxiv: 1907.07670 · arxiv_version: 1907.07670v1 · doi: 10.48550/arxiv.1907.07670 · pith_short_12: WYZ3EPWBWIEF · pith_short_16: WYZ3EPWBWIEFEWOL · pith_short_8: WYZ3EPWB

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/WYZ3EPWBWIEFEWOLLA5O2ZFILY \
  | 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: b633b23ec1b2085259cb583aed64a85e0f00605a3887a04263b42832ced02fd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e421342c79b3f2c6dcf6f25e7713f2258f313ab2eb4a4b376b6d980a659ef14",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-07-17T00:50:35Z",
    "title_canon_sha256": "618a76d64efcdcc6f8db93f97c3781aad3764f88f2ca9c042f4952aa034d9d5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.07670",
    "kind": "arxiv",
    "version": 1
  }
}