Pith Number

pith:YSJYAIFY

pith:2026:YSJYAIFYUKDPDFY65OUBVWO4XR

not attested not anchored not stored refs pending

SMA Observations of the Archetypal Compact Steep-spectrum Radio Source 3C 303.1

Belinda Wilkes, Christopher O'Dea, D. J. Saikia, Grant Tremblay, Mark Gurwell, Mojegan Azadi, Rushikesh Bhutkar, Stefi Baum

arxiv:2607.12952 v1 · 2026-07-14 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YSJYAIFYUKDPDFY65OUBVWO4XR}

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	2026-07-15T01:22:27.544403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4938020b8a286f1971eeba81ad9dcbc46dc0d8a9c6da7b50f48c5e7d2f6a133

Aliases

arxiv: 2607.12952 · arxiv_version: 2607.12952v1 · doi: 10.48550/arxiv.2607.12952 · pith_short_12: YSJYAIFYUKDP · pith_short_16: YSJYAIFYUKDPDFY6 · pith_short_8: YSJYAIFY

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/YSJYAIFYUKDPDFY65OUBVWO4XR \
  | 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: c4938020b8a286f1971eeba81ad9dcbc46dc0d8a9c6da7b50f48c5e7d2f6a133

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "747bfcd6da0b9cdbd8dbdbde5d80f948e93db168d68b3d545a05a8cfadc9bc19",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-07-14T16:47:02Z",
    "title_canon_sha256": "1a72f7b703037ba1755dba65289b25ed194595fb44ebab1c5088de709ae3ff78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.12952",
    "kind": "arxiv",
    "version": 1
  }
}