Pith Number

pith:RENX4YLV

pith:1996:RENX4YLV677ZQT4UHJKEG7FOSG

not attested not anchored not stored refs pending

Keck Spectroscopy of Redshift z~3 Galaxies in the Hubble Deep Field

Andrew C. Phillips, Caryl Gronwall (UCO/Lick Observatory), David C. Koo, Garth D. Illingworth, James D. Lowenthal, Jesus Gallego, Nicole P. Vogt, Rafael Guzman, S. M. Faber

arxiv:astro-ph/9612239 v1 · 1996-12-30 · 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{RENX4YLV677ZQT4UHJKEG7FOSG}

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	2026-05-18T04:18:14.282224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

891b7e6175f7ff984f943a54437cae91ad239a7f256fb92be4eaad32f4f6aa21

Aliases

arxiv: astro-ph/9612239 · arxiv_version: astro-ph/9612239v1 · doi: 10.48550/arxiv.astro-ph/9612239 · pith_short_12: RENX4YLV677Z · pith_short_16: RENX4YLV677ZQT4U · pith_short_8: RENX4YLV

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/RENX4YLV677ZQT4UHJKEG7FOSG \
  | 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: 891b7e6175f7ff984f943a54437cae91ad239a7f256fb92be4eaad32f4f6aa21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6545046d1e272df8674dc353318bd922eda8bc0d78f79d67e9409d994e99b6c2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1996-12-30T04:02:13Z",
    "title_canon_sha256": "284fef0377d76720689acda41610b483aa050d298a1156e4f8b3f1b22a8b8573"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9612239",
    "kind": "arxiv",
    "version": 1
  }
}