Pith Number

pith:3NZZVWZQ

pith:2002:3NZZVWZQDFPWZQLCOCZPVGILDL

not attested not anchored not stored refs pending

Pipeline Processing of VLBI Data

C. Reynolds (1), M. Garrett (1) ((1) JIVE), Z. Paragi (1)

arxiv:astro-ph/0205118 v1 · 2002-05-08 · 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	2026-05-18T01:07:44.866596Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db739adb30195f6cc16270b2fa990b1ac8bb96f01c9565ec30e3a8f534a4474f

Aliases

arxiv: astro-ph/0205118 · arxiv_version: astro-ph/0205118v1 · doi: 10.48550/arxiv.astro-ph/0205118 · pith_short_12: 3NZZVWZQDFPW · pith_short_16: 3NZZVWZQDFPWZQLC · pith_short_8: 3NZZVWZQ

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/3NZZVWZQDFPWZQLCOCZPVGILDL \
  | 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: db739adb30195f6cc16270b2fa990b1ac8bb96f01c9565ec30e3a8f534a4474f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef2ea81a8628bd1d1f77a3e30266f3cdcf32d544adae68d311c91821511a19d5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-05-08T15:12:30Z",
    "title_canon_sha256": "54b0e52e4287ec6047963197f609c9005ee3070f02bda747cc7ec8b7acf5515f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0205118",
    "kind": "arxiv",
    "version": 1
  }
}