Pith Number

pith:HB5Y4SPC

pith:2021:HB5Y4SPCXO4YZDJT2P5U6GZFFW

not attested not anchored not stored refs pending

Blue Rest-Frame UV-Optical Colors in z~8 Galaxies from GREATS: Very Young Stellar Populations at ~650 Myr of Cosmic Time

Garth D. Illingworth, Ivo Labb\'e, Mauro Stefanon, Pascal A. Oesch, Pieter van Dokkum, Rychard J. Bouwens, Valentino Gonzalez

arxiv:2103.06279 v1 · 2021-03-10 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HB5Y4SPCXO4YZDJT2P5U6GZFFW}

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	2026-07-05T04:03:45.142102Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

387b8e49e2bbb98c8d33d3fb4f1b252d969b86f852d562c8c6125b99f8cfbde2

Aliases

arxiv: 2103.06279 · arxiv_version: 2103.06279v1 · doi: 10.48550/arxiv.2103.06279 · pith_short_12: HB5Y4SPCXO4Y · pith_short_16: HB5Y4SPCXO4YZDJT · pith_short_8: HB5Y4SPC

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/HB5Y4SPCXO4YZDJT2P5U6GZFFW \
  | 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: 387b8e49e2bbb98c8d33d3fb4f1b252d969b86f852d562c8c6125b99f8cfbde2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "987d65f3314fea237f63cd3fa69905336a80e22b17677d52fbd082b98596fc53",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-03-10T19:00:01Z",
    "title_canon_sha256": "770e66cfd6c4579b893757a2c23e118c1cf0b0b8335778447aeac0980b09a92a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.06279",
    "kind": "arxiv",
    "version": 1
  }
}