Pith Number

pith:ED3PWWJD

pith:1997:ED3PWWJDVXGPTDTBSJR4CZPRFM

not attested not anchored not stored refs pending

The ROSAT Deep Survey II. Optical identification, photomettry and spectra of sources in the Lockman field

(2) Astrophysikalisches Inst. Potsdam, (3) Princeton University, (4) Pennsylvania State University, (5) Johns Hopkins University, (6) ESO Garching, (7) STScI Baltimore, (8) MPE Garching, (9) Bologna Observatory), Don Schneider (4), & Gianni Zamorani (9) ((1) Caltech, Guenther Hasinger (2), Ingo Lehmann (2), James Gunn (3), Joachim Truemper (8), John MacKenty (7), Maarten Schmidt (1), Riccardo Giacconi (6), Richard Burg (5)

arxiv:astro-ph/9709144 v1 · 1997-09-15 · 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{ED3PWWJDVXGPTDTBSJR4CZPRFM}

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.

Cited by

1 paper in Pith

Beyond traditional emission-line diagnostics: using autoencoders to uncover active galactic nuclei in DESI spectra

Receipt and verification

First computed	2026-07-04T14:49:15.346578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20f6fb5923adccf98e619263c165f12b02348ea546d2f2040d67bb5eebab4d84

Aliases

arxiv: astro-ph/9709144 · arxiv_version: astro-ph/9709144v1 · doi: 10.48550/arxiv.astro-ph/9709144 · pith_short_12: ED3PWWJDVXGP · pith_short_16: ED3PWWJDVXGPTDTB · pith_short_8: ED3PWWJD

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/ED3PWWJDVXGPTDTBSJR4CZPRFM \
  | 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: 20f6fb5923adccf98e619263c165f12b02348ea546d2f2040d67bb5eebab4d84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41a46099b61923e3e0e0f94d14db4e81584c8c76a913090c521a3492dafb427d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-09-15T18:29:58Z",
    "title_canon_sha256": "abeaf58f5d698dfde21b5dd0065eabfbef84af2f9febe2485b6ee7e2354c4762"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9709144",
    "kind": "arxiv",
    "version": 1
  }
}