Pith Number

pith:VEAGKF4D

pith:2024:VEAGKF4D73LNRLTSCY3X6S7RUP

not attested not anchored not stored refs pending

Rest-Frame Optical Spectroscopy of Ten z $\sim$ 2 Weak Emission-Line Quasars

Bin Luo, Brandon Matthews, Cooper Dix, Jeremiah D. Paul, Ohad Shemmer, Richard M. Plotkin, Trung Ha, Wenwen Zuo, W. N. Brandt, Ying Chen

arxiv:2407.03422 v1 · 2024-07-03 · 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{VEAGKF4D73LNRLTSCY3X6S7RUP}

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	2026-07-05T08:39:54.698405Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a900651783fed6d8ae7216377f4bf1a3f40f572c71fe4d621e9c0a1d8e86f2cb

Aliases

arxiv: 2407.03422 · arxiv_version: 2407.03422v1 · doi: 10.48550/arxiv.2407.03422 · pith_short_12: VEAGKF4D73LN · pith_short_16: VEAGKF4D73LNRLTS · pith_short_8: VEAGKF4D

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/VEAGKF4D73LNRLTSCY3X6S7RUP \
  | 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: a900651783fed6d8ae7216377f4bf1a3f40f572c71fe4d621e9c0a1d8e86f2cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5540c37e4d619ff3e618e9738e748a25941d80f19146407bd94814c4a9febaa8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2024-07-03T18:03:38Z",
    "title_canon_sha256": "9c76547d51c03aeca429a079f034aa23dadaf950910cd0488ea66aa9d4f79b0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2407.03422",
    "kind": "arxiv",
    "version": 1
  }
}