Pith Number

pith:SULVURF6

pith:2017:SULVURF66XJNEVKBJ7PCGWHMJE

not attested not anchored not stored refs pending

Deep Learning of Quasar Spectra to Discover and Characterize Damped Lya Systems

David Parks, J. Xavier Prochaska, Shawfeng Dong, Zheng Cai

arxiv:1709.04962 v1 · 2017-09-14 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SULVURF66XJNEVKBJ7PCGWHMJE}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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.

Cited by

1 paper in Pith

DESI 2024 IV: Baryon Acoustic Oscillations from the Lyman Alpha Forest

Receipt and verification

First computed	2026-05-18T00:23:33.462494Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95175a44bef5d2d255414fde2358ec491626a2b11af2800c3e921791cadd5071

Aliases

arxiv: 1709.04962 · arxiv_version: 1709.04962v1 · doi: 10.48550/arxiv.1709.04962 · pith_short_12: SULVURF66XJN · pith_short_16: SULVURF66XJNEVKB · pith_short_8: SULVURF6

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/SULVURF66XJNEVKBJ7PCGWHMJE \
  | 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: 95175a44bef5d2d255414fde2358ec491626a2b11af2800c3e921791cadd5071

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6067698ef0dc8d320a7737185b8712a2efd0c31bbb6a719a71a2fc6d5508f9e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-09-14T20:11:57Z",
    "title_canon_sha256": "a9a32b997e616578a8a49f56c2264bd29d97420dc40053bc3f51514e718bc794"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.04962",
    "kind": "arxiv",
    "version": 1
  }
}