Pith Number

pith:GTA4EUM7

pith:2003:GTA4EUM7ZLIVPMFDOCYVS7EDJ6

not attested not anchored not stored refs pending

The DEEP2 Galaxy Redshift Survey: Spectral classification of galaxies at z~1

Alison L. Coil, Andrew C. Phillips, Benjamin J. Weiner, Brian Gerke, Charles C. Steidel, Christopher J. Conselice, Christopher N. A. Willmer, Darren S. Madgwick, David C. Koo, Douglas P. Finkbeiner, Jeffrey A. Newman, Marc Davis, Michael C. Cooper, Nick Kaiser, Puragra Guhathakurta, Renbin Yan (the DEEP2 Survey team), Richard S. Ellis, S. M. Faber

arxiv:astro-ph/0305587 v2 · 2003-05-29 · 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{GTA4EUM7ZLIVPMFDOCYVS7EDJ6}

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	2026-07-04T16:37:13.521799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34c1c2519fcad157b0a370b1597c834fadba40a76e796f3c726f3965c197e91a

Aliases

arxiv: astro-ph/0305587 · arxiv_version: astro-ph/0305587v2 · doi: 10.48550/arxiv.astro-ph/0305587 · pith_short_12: GTA4EUM7ZLIV · pith_short_16: GTA4EUM7ZLIVPMFD · pith_short_8: GTA4EUM7

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/GTA4EUM7ZLIVPMFDOCYVS7EDJ6 \
  | 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: 34c1c2519fcad157b0a370b1597c834fadba40a76e796f3c726f3965c197e91a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a2e6e2873e6ec1b16836f3176f777d1415e02c4669eed2c661c658144b17922",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-05-29T19:20:34Z",
    "title_canon_sha256": "73384fc9411e450eafb05a8c5f61d31da04ec64b128cc79d86bb7717c07c8fb4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0305587",
    "kind": "arxiv",
    "version": 2
  }
}