Pith Number

pith:HY6MY3T4

pith:2017:HY6MY3T4Y7JMY36FK5JDZKJVXR

not attested not anchored not stored refs pending

Empirical Modeling of the Redshift Evolution of the [NII]/H$\alpha$-ratio for Galaxy Redshift Surveys

Alexander Merson, Andreas L. Faisst, Daniel Masters, James E. Rhoads, Peter Capak, Sangeeta Malhotra, Yun Wang

arxiv:1710.00834 v2 · 2017-10-02 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HY6MY3T4Y7JMY36FK5JDZKJVXR}

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	2026-05-18T00:20:46.694467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e3ccc6e7cc7d2cc6fc557523ca935bc45de4b57fd50335f8b0f676c31b1369f

Aliases

arxiv: 1710.00834 · arxiv_version: 1710.00834v2 · doi: 10.48550/arxiv.1710.00834 · pith_short_12: HY6MY3T4Y7JM · pith_short_16: HY6MY3T4Y7JMY36F · pith_short_8: HY6MY3T4

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/HY6MY3T4Y7JMY36FK5JDZKJVXR \
  | 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: 3e3ccc6e7cc7d2cc6fc557523ca935bc45de4b57fd50335f8b0f676c31b1369f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5dc28db593fd8a730ca708f61005201c0bf2d46da73e3468d8e92a581b7fb9a2",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-10-02T18:00:06Z",
    "title_canon_sha256": "334c061f2b7f6e155b48fcb7e79fc48eba5720ecdfb4554cda72369b9e868c21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.00834",
    "kind": "arxiv",
    "version": 2
  }
}