Pith Number

pith:7U66HTVF

pith:2002:7U66HTVFPLNZ4MQCECRBIADI3B

not attested not anchored not stored refs pending

Selection of the SIM Astrometric Grid

2), (2) Naval Research Laboratory, (3) Astronomical Institute 'Anton Pannekoek', Dept of Computer Science, D. M. Peterson (1, S. Portegies Zwart (3) ((1) Stony Brook University, Univ of Amsterdam), Y. Liu (1)

arxiv:astro-ph/0206512 v1 · 2002-06-28 · 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{7U66HTVFPLNZ4MQCECRBIADI3B}

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	2026-05-18T01:40:42.598009Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd3de3cea57adb9e320220a2140068d85699a12018bf12728cc2ea7b2f3ead35

Aliases

arxiv: astro-ph/0206512 · arxiv_version: astro-ph/0206512v1 · doi: 10.48550/arxiv.astro-ph/0206512 · pith_short_12: 7U66HTVFPLNZ · pith_short_16: 7U66HTVFPLNZ4MQC · pith_short_8: 7U66HTVF

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/7U66HTVFPLNZ4MQCECRBIADI3B \
  | 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: fd3de3cea57adb9e320220a2140068d85699a12018bf12728cc2ea7b2f3ead35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3323d09ac9d174d1c1f6ebc0210b790355822f13aa841228cd08a08903bd49cd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-06-28T19:13:34Z",
    "title_canon_sha256": "1f283ed6f759feb9f881ea3b86a17743fcafd1f7093e5c8c2ba77bf3b77a6cd7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0206512",
    "kind": "arxiv",
    "version": 1
  }
}