Pith Number

pith:3AHF6XTL

pith:1998:3AHF6XTL6N26QM7ILVWVOKUIDW

not attested not anchored not stored refs pending

The Calibration of the HST Kuiper Belt Object Search: Setting the Record Straight

Anita L. Cochran, Harold F. Levison, Martin J. Duncan, Peter Tamblyn, S. Alan Stern

arxiv:astro-ph/9806210 v1 · 1998-06-15 · astro-ph

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

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	2026-05-18T01:07:37.329747Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d80e5f5e6bf375e833e85d6d572a881daabb96434d151447bd272fb3f4792c88

Aliases

arxiv: astro-ph/9806210 · arxiv_version: astro-ph/9806210v1 · doi: 10.48550/arxiv.astro-ph/9806210 · pith_short_12: 3AHF6XTL6N26 · pith_short_16: 3AHF6XTL6N26QM7I · pith_short_8: 3AHF6XTL

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/3AHF6XTL6N26QM7ILVWVOKUIDW \
  | 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: d80e5f5e6bf375e833e85d6d572a881daabb96434d151447bd272fb3f4792c88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a040f56ea42e9011277569837989345bf56985c13d93988364a84b7222bbb3be",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-06-15T21:30:43Z",
    "title_canon_sha256": "aa9d45786cd1c7886a2788acc9a209806619d95bae8b5b9a6658a64f7ffc6d78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9806210",
    "kind": "arxiv",
    "version": 1
  }
}