Pith Number

pith:7QIAGKKZ

pith:2003:7QIAGKKZ7JTJESGWZX36BWHYPZ

not attested not anchored not stored refs pending

Obervational Model for Microarcsecond Astrometry with the Space Interferometry Mission

Mark H. Milman, Slava G. Turyshev

arxiv:physics/0301047 v1 · 2003-01-21 · physics.space-ph · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7QIAGKKZ7JTJESGWZX36BWHYPZ}

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	2026-05-18T01:38:09.052980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc10032959fa669248d6cdf7e0d8f87e669ad0ddfedea637cda8c2050eb29c9f

Aliases

arxiv: physics/0301047 · arxiv_version: physics/0301047v1 · doi: 10.48550/arxiv.physics/0301047 · pith_short_12: 7QIAGKKZ7JTJ · pith_short_16: 7QIAGKKZ7JTJESGW · pith_short_8: 7QIAGKKZ

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/7QIAGKKZ7JTJESGWZX36BWHYPZ \
  | 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: fc10032959fa669248d6cdf7e0d8f87e669ad0ddfedea637cda8c2050eb29c9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4c4b1a0d2cb0dd4687e7022c6542ed497f4157d9631c8914d12547312a09ad8",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "",
    "primary_cat": "physics.space-ph",
    "submitted_at": "2003-01-21T01:11:22Z",
    "title_canon_sha256": "69ee7ca416c6ed1c92329b1a0fdfd608f019489c418b3f0c38215e03103bac14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0301047",
    "kind": "arxiv",
    "version": 1
  }
}