Pith Number

pith:C4XDI3X6

pith:1996:C4XDI3X66V6QNWATSDSSGLYHAV

not attested not anchored not stored refs pending

The HST Quasar Absorption Line Key Project XII. The Unusual Absorption Line System in the Spectrum of PG 2302+029 ---Ejected or Intervening?

A. Boksenberg, & A. M. Wolfe, B. D. Savage, B. T. Jannuzi, D. A. Turnshek, D. P. Schneider, G. F. Hartig, J. Bergeron, J. N. Bahcall, R. J. Weymann, S. Kirhakos, W. L. W. Sargent

arxiv:astro-ph/9608080 v2 · 1996-08-13 · 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{C4XDI3X66V6QNWATSDSSGLYHAV}

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	2026-07-04T16:00:13.019713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

172e346efef57d06d81390e5232f07054cdc9890af4b1faf5b29781a6f76d1d9

Aliases

arxiv: astro-ph/9608080 · arxiv_version: astro-ph/9608080v2 · doi: 10.48550/arxiv.astro-ph/9608080 · pith_short_12: C4XDI3X66V6Q · pith_short_16: C4XDI3X66V6QNWAT · pith_short_8: C4XDI3X6

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/C4XDI3X66V6QNWATSDSSGLYHAV \
  | 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: 172e346efef57d06d81390e5232f07054cdc9890af4b1faf5b29781a6f76d1d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe236e4c551e6f9f3c759c1eace97c954db16c8824a38b555509ec6f00a30d7a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1996-08-13T15:16:46Z",
    "title_canon_sha256": "79411d8a3141c380bf6bc12a9dc3f782a57aa49263766bac6f665d614233e3cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9608080",
    "kind": "arxiv",
    "version": 2
  }
}