Pith Number

pith:JRSSFQ57

pith:2016:JRSSFQ57QAVDLDFJAKSBSDPZB5

not attested not anchored not stored refs pending

A large H$\alpha$ survey of star formation in relaxed and merging galaxy cluster environments at $z\sim0.15-0.3$

Ana Afonso, Andra Stroe, David Sobral, Jo\~ao Calhau, Lara Alegre, Reinout van Weeren, Sergio Santos

arxiv:1611.03512 v2 · 2016-11-10 · 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{JRSSFQ57QAVDLDFJAKSBSDPZB5}

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	2026-05-18T00:52:13.976426Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c6522c3bf802a358ca902a4190df90f4a862563293c904cecd9fb213d97621b

Aliases

arxiv: 1611.03512 · arxiv_version: 1611.03512v2 · doi: 10.48550/arxiv.1611.03512 · pith_short_12: JRSSFQ57QAVD · pith_short_16: JRSSFQ57QAVDLDFJ · pith_short_8: JRSSFQ57

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/JRSSFQ57QAVDLDFJAKSBSDPZB5 \
  | 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: 4c6522c3bf802a358ca902a4190df90f4a862563293c904cecd9fb213d97621b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f31170d05791750a880d2fbf9e2034483aeb86fa1b6ed0cdc6114b25a51e52d9",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-11-10T21:03:44Z",
    "title_canon_sha256": "1973834f90e02abd754790a14847313f02809c21e082f41c9db704385b93cf47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.03512",
    "kind": "arxiv",
    "version": 2
  }
}