Pith Number

pith:SEYI5Z5W

pith:2009:SEYI5Z5W42FPKDKOBOMETBPZ47

not attested not anchored not stored refs pending

Optical and near-IR spectroscopy of candidate red galaxies in two z~2.5 proto-clusters

Bram Venemans (ESO Garching), Carlos De Breuck (ESO Garching), Chun Ly (UCLA), Daniel Stern (JPL), Ichi Tanaka (Subaru), Jaron Kurk (MPE), Joel Vernet (ESO Garching), Masaru Kajisawa (Tohoku), Masayuki Tanaka (ESO Garching), Michelle Doherty (ESO Chile), Nick Seymour (MSSL), Tadayuki Kodama (NAOJ)

arxiv:0911.1717 v1 · 2009-11-09 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SEYI5Z5W42FPKDKOBOMETBPZ47}

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	2026-05-18T02:10:49.550124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91308ee7b6e68af50d4e0b984985f9e7fec32bfe026905c04f4eb4388e067609

Aliases

arxiv: 0911.1717 · arxiv_version: 0911.1717v1 · doi: 10.48550/arxiv.0911.1717 · pith_short_12: SEYI5Z5W42FP · pith_short_16: SEYI5Z5W42FPKDKO · pith_short_8: SEYI5Z5W

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/SEYI5Z5W42FPKDKOBOMETBPZ47 \
  | 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: 91308ee7b6e68af50d4e0b984985f9e7fec32bfe026905c04f4eb4388e067609

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9c398cc97b11df538c3d9d0648fa65fe0c7e2cfb8352cd9402771f15ba23af8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-11-09T16:09:21Z",
    "title_canon_sha256": "6683d485a42e0ca755bc4d2d7bcb5e0de58ea36cd9867ef9e9d236150f080f4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.1717",
    "kind": "arxiv",
    "version": 1
  }
}