Pith Number

pith:TH6EI4TN

pith:1999:TH6EI4TNVKJ6DCJIPQM53LC4O2

not attested not anchored not stored refs pending

Caltech Faint Field Galaxy Redshift Survey IX: Source detection and photometry in the Hubble Deep Field Region

Charles C. Steidel (Caltech), David W. Hogg (IAS), Gerry Neugebauer (Caltech), Judith G. Cohen (Caltech), Kurt L. Adelberger (Caltech), Michael A. Pahre (CfA), Roger Blandford (Caltech), Thomas Jarrett (IPAC), T. N. Gautier (JPL)

arxiv:astro-ph/9909360 v1 · 1999-09-21 · 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{TH6EI4TNVKJ6DCJIPQM53LC4O2}

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	2026-07-04T16:11:38.014784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99fc44726daa93e189287c19ddac5c76b4b07339f16049d0d803f79dd39dd38e

Aliases

arxiv: astro-ph/9909360 · arxiv_version: astro-ph/9909360v1 · doi: 10.48550/arxiv.astro-ph/9909360 · pith_short_12: TH6EI4TNVKJ6 · pith_short_16: TH6EI4TNVKJ6DCJI · pith_short_8: TH6EI4TN

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/TH6EI4TNVKJ6DCJIPQM53LC4O2 \
  | 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: 99fc44726daa93e189287c19ddac5c76b4b07339f16049d0d803f79dd39dd38e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7036c396528e8f192b55717dbd097d43432e5d8c336b04fb08515d8dec6e0e00",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-09-21T21:01:09Z",
    "title_canon_sha256": "e75b382a943f521c40945aa79077520143193bcb656b80f690f0f5c463613bab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9909360",
    "kind": "arxiv",
    "version": 1
  }
}