Pith Number

pith:IWUGIOM2

pith:2016:IWUGIOM2HBEHU2DHYN24OOW6QY

not attested not anchored not stored refs pending

The nature of H-alpha star-forming galaxies at z~0.4 in and around Cl 0939+4713: the environment matters

Ana Afonso (Lisbon), Andra Stroe (ESO), Behnam Darvish (Caltech), David Sobral (Lancaster), Fumiaki Nakata (NAOJ), Jo\~ao Calhau (Lancaster), Tadayuki Kodama (NAOJ), Yusei Koyama (NAOJ)

arxiv:1603.00462 v1 · 2016-03-01 · 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{IWUGIOM2HBEHU2DHYN24OOW6QY}

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	2026-05-18T01:18:37.008262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45a864399a38487a6867c375c73ade860a482a7e4fd63cdaad2b85bcbd985706

Aliases

arxiv: 1603.00462 · arxiv_version: 1603.00462v1 · doi: 10.48550/arxiv.1603.00462 · pith_short_12: IWUGIOM2HBEH · pith_short_16: IWUGIOM2HBEHU2DH · pith_short_8: IWUGIOM2

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/IWUGIOM2HBEHU2DHYN24OOW6QY \
  | 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: 45a864399a38487a6867c375c73ade860a482a7e4fd63cdaad2b85bcbd985706

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2814cee08af434d04ca852ca7cfa546780341004125e98ce9af8c6fd794657b",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-03-01T21:00:00Z",
    "title_canon_sha256": "24bde778bce851cb3225038b747e3f40224998fd56966755c3299890cf3d5d6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.00462",
    "kind": "arxiv",
    "version": 1
  }
}