Pith Number

pith:67UOY3TB

pith:2003:67UOY3TBIBW62UEDLDNMVJOGKO

not attested not anchored not stored refs pending

Discovery of Two Distant Type Ia Supernovae in the Hubble Deep Field North with the Advanced Camera for Surveys

Adam G. Riess, A. R. Martel, C. Gronwall, D. A. Golimowski, Daniel Magee, D. R. Ardila, F. Bartko, F. Menanteau, Garth D. Illingworth, G. F. Hartig, G. Miley, G. R. Meurer, H. D. Tran, Holland C. Ford, J. Krist, John L. Tonry, John P. Blakeslee, L.-G. Strolger, M. Clampin, M. Franx, M. Postman, M. Sirianni, N. Benitez, N. Cross, P. D. Feldman, P. Rosati, R. Bouwens, R. Kimble, R. L. White, T. Broadhurst, W. Sparks, W. Zheng, Zlatan I. Tsvetanov

arxiv:astro-ph/0302402 v1 · 2003-02-19 · 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{67UOY3TBIBW62UEDLDNMVJOGKO}

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	2026-07-04T16:36:31.310710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7e8ec6e61406ded508358dacaa5c653afeeb142e3fefb1dcd23ac58b0eff2be

Aliases

arxiv: astro-ph/0302402 · arxiv_version: astro-ph/0302402v1 · doi: 10.48550/arxiv.astro-ph/0302402 · pith_short_12: 67UOY3TBIBW6 · pith_short_16: 67UOY3TBIBW62UED · pith_short_8: 67UOY3TB

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/67UOY3TBIBW62UEDLDNMVJOGKO \
  | 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: f7e8ec6e61406ded508358dacaa5c653afeeb142e3fefb1dcd23ac58b0eff2be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77e65139a508c2d8819e8ed82ac7b13156956a4dde48cd898baf6580b894b7d8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-02-19T21:20:19Z",
    "title_canon_sha256": "32e664b67043ce5859838348658de99ecb610f42b97154de7698415d7e461178"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0302402",
    "kind": "arxiv",
    "version": 1
  }
}