Pith Number

pith:QH2IKEJE

pith:2019:QH2IKEJEI4REGY2BW73J74LEHT

not attested not anchored not stored refs pending

X-ray spectroscopy of the candidate AGN in Henize 2-10 and NGC 4178: Likely supernova remnants

Aarran W. Shaw, Craig O. Heinke, Gregory R. Sivakoff, Pavan R. Hebbar

arxiv:1902.08293 v2 · 2019-02-21 · 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{QH2IKEJEI4REGY2BW73J74LEHT}

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	2026-05-17T23:45:14.824997Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81f48511244722436341b7f69ff1643cc5139414d2329dc0b0ee38bda71b348d

Aliases

arxiv: 1902.08293 · arxiv_version: 1902.08293v2 · doi: 10.48550/arxiv.1902.08293 · pith_short_12: QH2IKEJEI4RE · pith_short_16: QH2IKEJEI4REGY2B · pith_short_8: QH2IKEJE

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/QH2IKEJEI4REGY2BW73J74LEHT \
  | 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: 81f48511244722436341b7f69ff1643cc5139414d2329dc0b0ee38bda71b348d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aacb336348e1f6ba17dffc2bc1c6ce760e64741ea50a508223e63da52d417e6b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-02-21T22:40:08Z",
    "title_canon_sha256": "b7195455669ff7bc74c6f7c67ac231c599b57ead9de9ca9b0591ed397edf7ca7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.08293",
    "kind": "arxiv",
    "version": 2
  }
}