Pith Number

pith:PFD74AKI

pith:2016:PFD74AKIXXZ6C7N3R2E6S3VRTV

not attested not anchored not stored refs pending

Upper limits on the mass and luminosity of Population III-dominated galaxies

(2) The University of Edinburgh, Hidenobu Yajima (1), Japan, Sadegh Khochfar (2) ((1) Tohoku University, UK)

arxiv:1610.04249 v2 · 2016-10-13 · 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{PFD74AKIXXZ6C7N3R2E6S3VRTV}

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	2026-05-18T00:50:46.921988Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7947fe0148bdf3e17dbb8e89e96eb19d58b34f3e64064fd42302cc0a7016c6fc

Aliases

arxiv: 1610.04249 · arxiv_version: 1610.04249v2 · doi: 10.48550/arxiv.1610.04249 · pith_short_12: PFD74AKIXXZ6 · pith_short_16: PFD74AKIXXZ6C7N3 · pith_short_8: PFD74AKI

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/PFD74AKIXXZ6C7N3R2E6S3VRTV \
  | 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: 7947fe0148bdf3e17dbb8e89e96eb19d58b34f3e64064fd42302cc0a7016c6fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae58cf200f50d5ff76f62dd2c1aa6524ede89f1c2d09df9abb6b9654fb66140e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-10-13T20:10:06Z",
    "title_canon_sha256": "03bc8459df90bd736d8ec7cf67a79efe3069c1f124a2b89e6c8f4688af38dba4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.04249",
    "kind": "arxiv",
    "version": 2
  }
}