Pith Number

pith:4IMVBY3F

pith:2016:4IMVBY3FZCG4D773OBTWC7RHPP

not attested not anchored not stored refs pending

Star formation activity in a young galaxy cluster at z=0.866

E. da Cunha, L. P. Martins, M. P. Ulmer, T. F. Lagan\'a

arxiv:1605.08026 v1 · 2016-05-25 · 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{4IMVBY3FZCG4D773OBTWC7RHPP}

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	2026-05-18T01:11:10.188374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e21950e365c88dc1fffb7067617e277bc6077d893b4c5313ff57c19b7121c53b

Aliases

arxiv: 1605.08026 · arxiv_version: 1605.08026v1 · doi: 10.48550/arxiv.1605.08026 · pith_short_12: 4IMVBY3FZCG4 · pith_short_16: 4IMVBY3FZCG4D773 · pith_short_8: 4IMVBY3F

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/4IMVBY3FZCG4D773OBTWC7RHPP \
  | 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: e21950e365c88dc1fffb7067617e277bc6077d893b4c5313ff57c19b7121c53b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0541e0fb4c0706f130e37bc94e4e1ef2d3a16214d947bdd4795e2ca84cced3d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-05-25T19:51:46Z",
    "title_canon_sha256": "a22a9ff23fcbf92e168b7281dc66a1321a7347114417c8bb480a660cb064896f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.08026",
    "kind": "arxiv",
    "version": 1
  }
}