Pith Number

pith:FCF44BOX

pith:1997:FCF44BOX5WNXNURDVJDVZSQJKA

not attested not anchored not stored refs pending

Deceleration in the Expansion of SN1993J

A. Alberdi, A. R. Whitney, C. Trigilio, D. L. Jones, E. Ros, F. Mantovani, I. I. Shapiro, J. C. Guirado, J. M. Marcaide, K. W. Weiler, M. A. Perez-Torres, P. Diamond, R. A. Preston, R. A. Sramek, R. T. Schilizzi, S.D. Van Dyk

arxiv:astro-ph/9708262 v1 · 1997-08-28 · 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{FCF44BOX5WNXNURDVJDVZSQJKA}

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	2026-07-04T16:03:12.941044Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

288bce05d7ed9b76d223aa475cca095007b9adc24f0eea8834b3426b0e9f68d3

Aliases

arxiv: astro-ph/9708262 · arxiv_version: astro-ph/9708262v1 · doi: 10.48550/arxiv.astro-ph/9708262 · pith_short_12: FCF44BOX5WNX · pith_short_16: FCF44BOX5WNXNURD · pith_short_8: FCF44BOX

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/FCF44BOX5WNXNURDVJDVZSQJKA \
  | 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: 288bce05d7ed9b76d223aa475cca095007b9adc24f0eea8834b3426b0e9f68d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "558f8a031af2104cf5d9d8a58a2b719b09f0005e5f3b12b6b680094a8b84daa8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-08-28T17:31:17Z",
    "title_canon_sha256": "81712a8bf4b3305c5fc9c5fdaf1fac6a441ada673b3a3759e080006853500903"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9708262",
    "kind": "arxiv",
    "version": 1
  }
}