Pith Number

pith:IT5J74OI

pith:2000:IT5J74OIES77FEEHMQV23RGF4E

not attested not anchored not stored refs pending

Wide Field Imaging at 250 GHz

A. Bertarini, C.L. Carilli (NRAO), E. Kreysa, F. Bertoldi, F. Owen, K.M. Menten, M. Yun (NRAO), R. Zylka (MPIfR)

arxiv:astro-ph/0009298 v1 · 2000-09-19 · 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{IT5J74OIES77FEEHMQV23RGF4E}

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	2026-05-18T00:37:17.974813Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44fa9ff1c824bff29087642badc4c5e1391dc923dbb2fd42e91b469382b673cd

Aliases

arxiv: astro-ph/0009298 · arxiv_version: astro-ph/0009298v1 · doi: 10.48550/arxiv.astro-ph/0009298 · pith_short_12: IT5J74OIES77 · pith_short_16: IT5J74OIES77FEEH · pith_short_8: IT5J74OI

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/IT5J74OIES77FEEHMQV23RGF4E \
  | 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: 44fa9ff1c824bff29087642badc4c5e1391dc923dbb2fd42e91b469382b673cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c29251937b22ffcf1aaafcd847ee050ce3313c5e64e3a51dcc5f555314e62940",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-09-19T13:01:38Z",
    "title_canon_sha256": "c6d3c59d4979aa513debc8204c6ab34b1470d424b0d29785ba2aee5a8278b824"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0009298",
    "kind": "arxiv",
    "version": 1
  }
}