Pith Number

pith:7ZWTRCFU

pith:2009:7ZWTRCFU4PETSZOCOOUGWI76IY

not attested not anchored not stored refs pending

The NEWFIRM Medium-Band Survey: Filter Definitions and First Results

Adam Muzzin, Danilo Marchesini, Gabriel Brammer, Garth Illingworth, Gregory Rudnick, Ivo Labbe, Katherine E. Whitaker, Kyoung-Soo Lee, Marijn Franx, Mariska Kriek, Pieter G. van Dokkum, Ryan Quadri

arxiv:0901.0551 v1 · 2009-01-05 · 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{7ZWTRCFU4PETSZOCOOUGWI76IY}

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	2026-05-18T02:15:03.310975Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe6d3888b4e3c93965c273a86b23fe4612597f41e0bef268f80e952f45732b1f

Aliases

arxiv: 0901.0551 · arxiv_version: 0901.0551v1 · doi: 10.48550/arxiv.0901.0551 · pith_short_12: 7ZWTRCFU4PET · pith_short_16: 7ZWTRCFU4PETSZOC · pith_short_8: 7ZWTRCFU

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/7ZWTRCFU4PETSZOCOOUGWI76IY \
  | 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: fe6d3888b4e3c93965c273a86b23fe4612597f41e0bef268f80e952f45732b1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f085e81f184f44d9f2622a090b9fe275a5e6df1d2419008f801652e2eb3252d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-01-05T21:15:18Z",
    "title_canon_sha256": "12ddf4297693305e4ef814fdda9e70d4f921d4538fc1dedd0360d5c3836bd41a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.0551",
    "kind": "arxiv",
    "version": 1
  }
}