Pith Number

pith:SR4U4WJW

pith:2016:SR4U4WJWHFE54HCBGJHUVGRSM4

not attested not anchored not stored refs pending

X-Ray observations of a subhalo associated with the NGC 4839 group infalling toward the Coma cluster

Kosuke Sato, Kyoko Matsushita, Nobuhiro Okabe, Toru Sasaki

arxiv:1607.07554 v1 · 2016-07-26 · astro-ph.CO · 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{SR4U4WJWHFE54HCBGJHUVGRSM4}

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	2026-05-18T01:03:48.826976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94794e59363949de1c41324f4a9a326731175aaef97b0e9422f0810d171b1e85

Aliases

arxiv: 1607.07554 · arxiv_version: 1607.07554v1 · doi: 10.48550/arxiv.1607.07554 · pith_short_12: SR4U4WJWHFE5 · pith_short_16: SR4U4WJWHFE54HCB · pith_short_8: SR4U4WJW

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/SR4U4WJWHFE54HCBGJHUVGRSM4 \
  | 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: 94794e59363949de1c41324f4a9a326731175aaef97b0e9422f0810d171b1e85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f1a395a7819cefdaef3af9d7c8a9dc7e7ad92fae89a858d51df9460cffca18f",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-07-26T06:41:43Z",
    "title_canon_sha256": "e59b1eb912d2edf5797b52cbd245fced20e682dcb1c55acd3700f699ea59aebb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.07554",
    "kind": "arxiv",
    "version": 1
  }
}