Pith Number

pith:XRRY65BM

pith:2001:XRRY65BMRALCTEXEY6ITVNHYS7

not attested not anchored not stored refs pending

Multi-frequency VLBA Observations of the Compact Double B2 2050+36: Constraints on Interstellar Scattering Revisited

A. L. Fey (USNO), T. Joseph W. Lazio (NRL)

arxiv:astro-ph/0106434 v1 · 2001-06-23 · 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{XRRY65BMRALCTEXEY6ITVNHYS7}

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	2026-07-04T16:23:35.369939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc638f742c88162992e4c7913ab4f897f8b21a37bcd47a9bce2c95c3ea4f6905

Aliases

arxiv: astro-ph/0106434 · arxiv_version: astro-ph/0106434v1 · doi: 10.48550/arxiv.astro-ph/0106434 · pith_short_12: XRRY65BMRALC · pith_short_16: XRRY65BMRALCTEXE · pith_short_8: XRRY65BM

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/XRRY65BMRALCTEXEY6ITVNHYS7 \
  | 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: bc638f742c88162992e4c7913ab4f897f8b21a37bcd47a9bce2c95c3ea4f6905

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8100e0b21dd2ce864e46fa108e03df803a19853b1f66591782a88f430bafe314",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-06-23T23:44:15Z",
    "title_canon_sha256": "388ee79461231305a1954ad8bbf743e6d6ea19604d21e762fa020e3950be42a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0106434",
    "kind": "arxiv",
    "version": 1
  }
}