Pith Number

pith:6UUSU6XU

pith:1999:6UUSU6XUDYVWZPJ4ZYMWDWMMAM

not attested not anchored not stored refs pending

Tropospheric Phase Calibration in Millimeter Interferometry

C.L. Carilli, M.A. Holdaway

arxiv:astro-ph/9904248 v1 · 1999-04-19 · 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{6UUSU6XUDYVWZPJ4ZYMWDWMMAM}

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	2026-05-18T01:40:13.221241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5292a7af41e2b6cbd3cce1961d98c030cb0d4ac78a1556928d728f8fcef1334

Aliases

arxiv: astro-ph/9904248 · arxiv_version: astro-ph/9904248v1 · doi: 10.48550/arxiv.astro-ph/9904248 · pith_short_12: 6UUSU6XUDYVW · pith_short_16: 6UUSU6XUDYVWZPJ4 · pith_short_8: 6UUSU6XU

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/6UUSU6XUDYVWZPJ4ZYMWDWMMAM \
  | 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: f5292a7af41e2b6cbd3cce1961d98c030cb0d4ac78a1556928d728f8fcef1334

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90cbf11a04c6a12dcd5a97e1bf5456bbb6a42141435ab159f8471a3f782b4b30",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-04-19T21:05:44Z",
    "title_canon_sha256": "098f4a501ae308bb28360e9ab946ea70db25d045adefdb263e5724dab5b3e0a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9904248",
    "kind": "arxiv",
    "version": 1
  }
}