Pith Number

pith:67BO4I7X

pith:2018:67BO4I7X6MVHYSH3D4G5ZLGXG2

not attested not anchored not stored refs pending

Identification of galaxies that experienced a recent major drop of star formation

C. Schreiber, D. Elbaz, E. Daddi, L. Ciesla, T. Wang

arxiv:1803.10239 v1 · 2018-03-27 · 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{67BO4I7X6MVHYSH3D4G5ZLGXG2}

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	2026-05-18T00:09:15.277220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7c2ee23f7f32a7c48fb1f0ddcacd736897216340b16c37a44504c8531244a69

Aliases

arxiv: 1803.10239 · arxiv_version: 1803.10239v1 · doi: 10.48550/arxiv.1803.10239 · pith_short_12: 67BO4I7X6MVH · pith_short_16: 67BO4I7X6MVHYSH3 · pith_short_8: 67BO4I7X

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/67BO4I7X6MVHYSH3D4G5ZLGXG2 \
  | 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: f7c2ee23f7f32a7c48fb1f0ddcacd736897216340b16c37a44504c8531244a69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3914a9bc66df92b3fba387f4fabbcdc7620b93cf4470104b6987e85719a31df6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-03-27T18:00:04Z",
    "title_canon_sha256": "eccc57eb345732713ccc27cd9898110d049a18b5a9d3576663892c90a9073871"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.10239",
    "kind": "arxiv",
    "version": 1
  }
}