Pith Number

pith:ERM726IJ

pith:2018:ERM726IJIOWTG62AUSABDEH46F

not attested not anchored not stored refs pending

Nustar view of the central region of the Perseus cluster

B. Rani, C. Reynolds, G. M. Madejski, J. A. Hodgson, R. F. Mushotzky

arxiv:1809.10163 v1 · 2018-09-26 · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ERM726IJIOWTG62AUSABDEH46F}

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	2026-05-18T00:01:57.603253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2459fd790943ad337b40a4801190fcf144c90e0a6698bc5ab2214c7ec550d640

Aliases

arxiv: 1809.10163 · arxiv_version: 1809.10163v1 · doi: 10.48550/arxiv.1809.10163 · pith_short_12: ERM726IJIOWT · pith_short_16: ERM726IJIOWTG62A · pith_short_8: ERM726IJ

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/ERM726IJIOWTG62AUSABDEH46F \
  | 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: 2459fd790943ad337b40a4801190fcf144c90e0a6698bc5ab2214c7ec550d640

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a547e97e26b7d4228032a8bf1e603bbb2a8e40689366fff9ef387804b632a291",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-09-26T18:02:59Z",
    "title_canon_sha256": "d5dd19f08134c9ae2c6d982efc03f9d3a4e6d606163909b11c008b8c50b6a9e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.10163",
    "kind": "arxiv",
    "version": 1
  }
}