Pith Number

pith:G2GB4Z6T

pith:2015:G2GB4Z6TN3ZHRNHI4HCAJG4OMQ

not attested not anchored not stored refs pending

Evolution of Star-formation Properties of High-redshift Cluster Galaxies since $z = 2$

Anton Koekemoer, Conor McPartland, Jae-Woo Kim, Jennifer Lotz, Michael Peth, Myungshin Im, Seong-Kook Lee

arxiv:1508.01294 v1 · 2015-08-06 · 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{G2GB4Z6TN3ZHRNHI4HCAJG4OMQ}

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	2026-05-18T01:32:59.408662Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

368c1e67d36ef278b4e8e1c4049b8e64244bbe62b4fa80cfb6844ba53f9f09ff

Aliases

arxiv: 1508.01294 · arxiv_version: 1508.01294v1 · doi: 10.48550/arxiv.1508.01294 · pith_short_12: G2GB4Z6TN3ZH · pith_short_16: G2GB4Z6TN3ZHRNHI · pith_short_8: G2GB4Z6T

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/G2GB4Z6TN3ZHRNHI4HCAJG4OMQ \
  | 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: 368c1e67d36ef278b4e8e1c4049b8e64244bbe62b4fa80cfb6844ba53f9f09ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d643f1f87942de7119e76fa8515314b16680882157e9aa333b676fb9d33384ab",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-08-06T07:14:16Z",
    "title_canon_sha256": "3bdc1f89005789398700390cf99b1ff5a2643ab83ac5870cd65aac3fc871aef4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.01294",
    "kind": "arxiv",
    "version": 1
  }
}