Pith Number

pith:JXFRV5WT

pith:2006:JXFRV5WTRGVGXOZ6MGSBJNI7OZ

not attested not anchored not stored refs pending

VLBI surveys

S. Frey (FOMI SGO)

arxiv:astro-ph/0611253 v2 · 2006-11-08 · 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{JXFRV5WTRGVGXOZ6MGSBJNI7OZ}

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	2026-07-04T15:19:19.246294Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4dcb1af6d389aa6bbb3e61a414b51f767c562d51b2dac79029793802afdbc439

Aliases

arxiv: astro-ph/0611253 · arxiv_version: astro-ph/0611253v2 · doi: 10.48550/arxiv.astro-ph/0611253 · pith_short_12: JXFRV5WTRGVG · pith_short_16: JXFRV5WTRGVGXOZ6 · pith_short_8: JXFRV5WT

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/JXFRV5WTRGVGXOZ6MGSBJNI7OZ \
  | 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: 4dcb1af6d389aa6bbb3e61a414b51f767c562d51b2dac79029793802afdbc439

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a4ff5f86abd76d534cd7a7256247a4d8a56b57e73d654945b12d1d2bc55638c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-11-08T09:08:09Z",
    "title_canon_sha256": "e79ff819887422db18268cbde0874d8e6d7ec8672f47bf913f6123d8a1f8b590"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0611253",
    "kind": "arxiv",
    "version": 2
  }
}