Pith Number

pith:DDHXBKR3

pith:2025:DDHXBKR32PYON5INXQCBUGZGKL

not attested not anchored not stored refs pending

Mitigating Source Structure in Geodetic VLBI on the Visibility Level

A. Collioud, A. Nothnagel, F. Jaron, H. Kr\'asn\'a, I. Mart\'i-Vidal, J. B\"ohm, J. Gruber, L. Baldreich, P. Charlot, V. P\'erez-D\'iez

arxiv:2501.04787 v1 · 2025-01-08 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DDHXBKR32PYON5INXQCBUGZGKL}

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	2026-07-05T09:58:46.254463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18cf70aa3bd3f0e6f50dbc041a1b2652cb94a0b9e649fddfe89bb873a758600c

Aliases

arxiv: 2501.04787 · arxiv_version: 2501.04787v1 · doi: 10.48550/arxiv.2501.04787 · pith_short_12: DDHXBKR32PYO · pith_short_16: DDHXBKR32PYON5IN · pith_short_8: DDHXBKR3

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/DDHXBKR32PYON5INXQCBUGZGKL \
  | 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: 18cf70aa3bd3f0e6f50dbc041a1b2652cb94a0b9e649fddfe89bb873a758600c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5c61b2520f23c661895f1038427704a7d58752136b36b77a5527c056e3f745f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2025-01-08T19:04:47Z",
    "title_canon_sha256": "17921a18e5a321386f4264df17ce0e7194f5247649e11a5c8e2f8278a8d4f461"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.04787",
    "kind": "arxiv",
    "version": 1
  }
}