Pith Number

pith:AQIWF6SS

pith:2019:AQIWF6SSJBATBDKWH7XU2FHSZX

not attested not anchored not stored refs pending

The UV spectral slope beta and stellar population of most active star-forming galaxies at z~4

Satoshi Yamanaka, Toru Yamada

arxiv:1904.01373 v1 · 2019-04-02 · 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{AQIWF6SSJBATBDKWH7XU2FHSZX}

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	2026-05-17T23:49:34.851046Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

041162fa524841308d563fef4d14f2cddc1d371f07c6ffae24e1ba150645b6ac

Aliases

arxiv: 1904.01373 · arxiv_version: 1904.01373v1 · doi: 10.48550/arxiv.1904.01373 · pith_short_12: AQIWF6SSJBAT · pith_short_16: AQIWF6SSJBATBDKW · pith_short_8: AQIWF6SS

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/AQIWF6SSJBATBDKWH7XU2FHSZX \
  | 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: 041162fa524841308d563fef4d14f2cddc1d371f07c6ffae24e1ba150645b6ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a2d95a2d441a6ab91c61e3d1b25adf56da3df1f2015bf677a73e23d19224bb1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-04-02T12:35:31Z",
    "title_canon_sha256": "b66c1034740c869f9871dbdb8c6db44b498731d55b81b1039cce2b4fba9c0fe7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.01373",
    "kind": "arxiv",
    "version": 1
  }
}