Pith Number

pith:RX3KQ4B7

pith:2021:RX3KQ4B7RPJMOSNTCK3YGSRH36

not attested not anchored not stored refs pending

Search for H$\alpha$ Emitters at $z\sim7.8$: A Constraint on the H$\alpha$-based Star Formation Rate Density

K. Ohta (Department of Astronomy Kyoto University), Y. Asada

arxiv:2111.01447 v1 · 2021-11-02 · 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{RX3KQ4B7RPJMOSNTCK3YGSRH36}

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	2026-07-05T03:49:24.026429Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8df6a8703f8bd2c749b312b7834a27dfb3530edfbcccb264eaa4f4b1d8a0b3b1

Aliases

arxiv: 2111.01447 · arxiv_version: 2111.01447v1 · doi: 10.48550/arxiv.2111.01447 · pith_short_12: RX3KQ4B7RPJM · pith_short_16: RX3KQ4B7RPJMOSNT · pith_short_8: RX3KQ4B7

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/RX3KQ4B7RPJMOSNTCK3YGSRH36 \
  | 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: 8df6a8703f8bd2c749b312b7834a27dfb3530edfbcccb264eaa4f4b1d8a0b3b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13ba4bc44bbf9ea740e0ff3964b07eba5f0c67182d0e1e76b4a1982270831cab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-11-02T09:11:13Z",
    "title_canon_sha256": "84e2847b1f99feaeb4948ce449f3aaa90c447be9dc7229767201331016813f25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.01447",
    "kind": "arxiv",
    "version": 1
  }
}