Pith Number

pith:KJOBI4BF

pith:2018:KJOBI4BFUF4SWTPUQSOWIJW2KF

not attested not anchored not stored refs pending

Tracking the Iron K$\alpha$ line and the Ultra Fast Outflow in NGC 2992 at different accretion states

A. Marinucci, E. Nardini, G. Matt, J. Reeves, S. Bianchi, V. Braito

arxiv:1805.12149 v1 · 2018-05-30 · 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{KJOBI4BFUF4SWTPUQSOWIJW2KF}

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	2026-05-18T00:13:25.216901Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

525c147025a1792b4df4849d6426da517d549017323ee0e00f455507e2b71b5a

Aliases

arxiv: 1805.12149 · arxiv_version: 1805.12149v1 · doi: 10.48550/arxiv.1805.12149 · pith_short_12: KJOBI4BFUF4S · pith_short_16: KJOBI4BFUF4SWTPU · pith_short_8: KJOBI4BF

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/KJOBI4BFUF4SWTPUQSOWIJW2KF \
  | 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: 525c147025a1792b4df4849d6426da517d549017323ee0e00f455507e2b71b5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d35318c62a167a7042ca6dd7cf66b90c1d18ca2ece51ec451a0542ec12c631d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-05-30T18:00:05Z",
    "title_canon_sha256": "6081f36bbee90d2c436d64d0ab188ad021f6aeba3715d281fe968ac4831a2e04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.12149",
    "kind": "arxiv",
    "version": 1
  }
}