Pith Number

pith:TYFFAYU7

pith:2018:TYFFAYU7KHDVHNYZXNL5U3RPPZ

not attested not anchored not stored refs pending

The optical properties of galaxies in the Ophiuchus cluster

Christophe Adami, Florence Durret, J.Marissol Omega Muleka Mwewa Mwaba, Ken'ichi Wakamatsu, Takahiro Nagayama

arxiv:1801.08332 v1 · 2018-01-25 · 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{TYFFAYU7KHDVHNYZXNL5U3RPPZ}

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	2026-05-18T00:14:46.412207Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e0a50629f51c753b719bb57da6e2f7e745fe39cb28ca76171216e41b2baa88b

Aliases

arxiv: 1801.08332 · arxiv_version: 1801.08332v1 · doi: 10.48550/arxiv.1801.08332 · pith_short_12: TYFFAYU7KHDV · pith_short_16: TYFFAYU7KHDVHNYZ · pith_short_8: TYFFAYU7

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/TYFFAYU7KHDVHNYZXNL5U3RPPZ \
  | 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: 9e0a50629f51c753b719bb57da6e2f7e745fe39cb28ca76171216e41b2baa88b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26c4a6452ae365fcda1409a4dd910ffc9b4cbc3c775add054b845aaf40babde7",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-01-25T10:10:45Z",
    "title_canon_sha256": "6ea6960692ff6532892775c90cf8e34b45d3912d457835faf85b3b829f8ade19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.08332",
    "kind": "arxiv",
    "version": 1
  }
}