Pith Number

pith:GK7DCGBH

pith:2010:GK7DCGBHYFQC77BXQGC3ILXIWP

not attested not anchored not stored refs pending

Calibrating Galaxy Redshifts Using Absorption by the Surrounding Intergalactic Medium

Charles C. Steidel, Gwen C. Rudie, Joop Schaye, Olivera Rakic

arxiv:1011.1282 v2 · 2010-11-04 · 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{GK7DCGBHYFQC77BXQGC3ILXIWP}

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	2026-05-18T02:04:52.691986Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32be311827c1602ffc378185b42ee8b3e538240c0edf1d7323a99dd5aae0ee1d

Aliases

arxiv: 1011.1282 · arxiv_version: 1011.1282v2 · doi: 10.48550/arxiv.1011.1282 · pith_short_12: GK7DCGBHYFQC · pith_short_16: GK7DCGBHYFQC77BX · pith_short_8: GK7DCGBH

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/GK7DCGBHYFQC77BXQGC3ILXIWP \
  | 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: 32be311827c1602ffc378185b42ee8b3e538240c0edf1d7323a99dd5aae0ee1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75c0da2816f26f95f4b75f6b55903b9a78575eada7cddf81af6d240fb6011834",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-11-04T22:12:52Z",
    "title_canon_sha256": "6c570e0bbbcdd86a5dad8c9a68cb3e40d7e13864edbcec537545205ffb7b9f01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.1282",
    "kind": "arxiv",
    "version": 2
  }
}