Pith Number

pith:U6AFP2BZ

pith:2017:U6AFP2BZQRETBFNGUBOL5AIWO4

not attested not anchored not stored refs pending

Galaxy Protoclusters as Drivers of Cosmic Star-Formation History in the First 2 Gyr

Bruno Henriques, Karl Gebhardt, Roderik A. Overzier, Yi-Kuan Chiang

arxiv:1705.01634 v2 · 2017-05-03 · astro-ph.GA · 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{U6AFP2BZQRETBFNGUBOL5AIWO4}

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	2026-05-18T00:38:53.023756Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a78057e83984493095a6a05cbe8116773658ef7563154284412e52578c6342b9

Aliases

arxiv: 1705.01634 · arxiv_version: 1705.01634v2 · doi: 10.48550/arxiv.1705.01634 · pith_short_12: U6AFP2BZQRET · pith_short_16: U6AFP2BZQRETBFNG · pith_short_8: U6AFP2BZ

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/U6AFP2BZQRETBFNGUBOL5AIWO4 \
  | 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: a78057e83984493095a6a05cbe8116773658ef7563154284412e52578c6342b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f7e77d1db10a97b821218b8ef3f53b453cb1125b2cd7fa65593d39d94894ff6",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-05-03T21:42:50Z",
    "title_canon_sha256": "a703e95eab006e4c6f95fd8049ea56b66fc8f5b49e957cfdeaee9e707adccc44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.01634",
    "kind": "arxiv",
    "version": 2
  }
}