Pith Number

pith:NKUX22YK

pith:2019:NKUX22YKLW76SR4EZ2KFUPFDX2

not attested not anchored not stored refs pending

New Chandra observations of PG 1116+215 to investigate an extragalactic OVIII WHIM absorption line

Jukka Nevalainen, Jussi Ahoranta, Massimiliano Bonamente, Patrick Holt

arxiv:1905.06862 v1 · 2019-05-14 · 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{NKUX22YKLW76SR4EZ2KFUPFDX2}

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	2026-05-17T23:46:00.801498Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6aa97d6b0a5dbfe94784ce945a3ca3be81525299cc907bd2e1639cfab1bceae6

Aliases

arxiv: 1905.06862 · arxiv_version: 1905.06862v1 · doi: 10.48550/arxiv.1905.06862 · pith_short_12: NKUX22YKLW76 · pith_short_16: NKUX22YKLW76SR4E · pith_short_8: NKUX22YK

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/NKUX22YKLW76SR4EZ2KFUPFDX2 \
  | 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: 6aa97d6b0a5dbfe94784ce945a3ca3be81525299cc907bd2e1639cfab1bceae6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ef4b8b83747a1b351dc98da19f38dfb0aee70d3fa0bc879fd344491517debda",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-05-14T11:26:44Z",
    "title_canon_sha256": "5f53b20b4aab37a7c5e863decbbc078b95583201c0d8c375405d4fd588be753b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.06862",
    "kind": "arxiv",
    "version": 1
  }
}