Pith Number

pith:HBHUXDY5

pith:2017:HBHUXDY5QMWNTJCZCTM6G3QCG5

not attested not anchored not stored refs pending

An Ultraviolet Survey of Low-Redshift Partial Lyman-Limit Systems with the HST Cosmic Origins Spectrograph

Charles W. Danforth, Evan M. Tilton, J. Michael Shull, Joshua Moloney (Univ. Colorado), Matthew L. Stevans (Univ. Texas)

arxiv:1710.03232 v1 · 2017-10-09 · 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{HBHUXDY5QMWNTJCZCTM6G3QCG5}

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	2026-05-18T00:30:40.679751Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

384f4b8f1d832cd9a45914d9e36e02377eb62a3cec8e210b14a9ce74a1d9fb96

Aliases

arxiv: 1710.03232 · arxiv_version: 1710.03232v1 · doi: 10.48550/arxiv.1710.03232 · pith_short_12: HBHUXDY5QMWN · pith_short_16: HBHUXDY5QMWNTJCZ · pith_short_8: HBHUXDY5

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/HBHUXDY5QMWNTJCZCTM6G3QCG5 \
  | 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: 384f4b8f1d832cd9a45914d9e36e02377eb62a3cec8e210b14a9ce74a1d9fb96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99044c48b37aaa81f2cf9c442aafd6bc28c714bb380d010388d214477c98518c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-10-09T18:00:03Z",
    "title_canon_sha256": "6d71258647e509f1e131ce426215b909557c64130363028808d21550fcd492fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.03232",
    "kind": "arxiv",
    "version": 1
  }
}