Pith Number

pith:RQ2Q3UUA

pith:2015:RQ2Q3UUAA3D7TFLL3E3UNHS7CW

not attested not anchored not stored refs pending

Chandra Identification of Two AGN Discovered by INTEGRAL

Arash Bodaghee (Georgia College), Farid Rahoui (ESO, Harvard), Institut Universitaire de France), Jerome Rodriguez (CEA Saclay), John A. Tomsick (SSL/UCB), Marco Ajello (Clemson), Nicolas Barriere (SSL/UCB), Roman Krivonos (SSL/UCB, Russian Academy of Sciences), Space Research Institute, Sylvain Chaty (CEA Saclay

arxiv:1502.05054 v1 · 2015-02-17 · 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{RQ2Q3UUAA3D7TFLL3E3UNHS7CW}

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	2026-05-18T01:41:01.098196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c350dd28006c7f9956bd937469e5f159c5236e5f194d75b40213b70448f87c8

Aliases

arxiv: 1502.05054 · arxiv_version: 1502.05054v1 · doi: 10.48550/arxiv.1502.05054 · pith_short_12: RQ2Q3UUAA3D7 · pith_short_16: RQ2Q3UUAA3D7TFLL · pith_short_8: RQ2Q3UUA

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/RQ2Q3UUAA3D7TFLL3E3UNHS7CW \
  | 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: 8c350dd28006c7f9956bd937469e5f159c5236e5f194d75b40213b70448f87c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd1b231f7979d875c979f1308148181c1458d62195d876ea1ca23b5ec4c1d04b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-02-17T21:01:52Z",
    "title_canon_sha256": "49673e5194230d22bf6a84ff311cfa38fd07bc9b6d5d6210f42dda8c225c4427"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.05054",
    "kind": "arxiv",
    "version": 1
  }
}