Pith Number

pith:OPJ6T3GU

pith:2011:OPJ6T3GU7JJU3BVYSVMVK3XVBH

not attested not anchored not stored refs pending

X-ray Characteristics of NGC 3516: A View through the Complex Absorber

J.N. Reeves, L. Miller, S.B. Kraemer, T.J. Turner

arxiv:1103.3709 v1 · 2011-03-18 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OPJ6T3GU7JJU3BVYSVMVK3XVBH}

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	2026-05-18T02:02:49.508478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73d3e9ecd4fa534d86b89559556ef509c716c038daaf91602942a712cb5384dd

Aliases

arxiv: 1103.3709 · arxiv_version: 1103.3709v1 · doi: 10.48550/arxiv.1103.3709 · pith_short_12: OPJ6T3GU7JJU · pith_short_16: OPJ6T3GU7JJU3BVY · pith_short_8: OPJ6T3GU

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/OPJ6T3GU7JJU3BVYSVMVK3XVBH \
  | 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: 73d3e9ecd4fa534d86b89559556ef509c716c038daaf91602942a712cb5384dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "758a124ddd34cb48f772c8542aef786c746cd418575c541a6fadc05c2ec65541",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-03-18T20:04:23Z",
    "title_canon_sha256": "eb132994975fd20afb5f08e6ed072f90e2d83ba50e1805b72e99b3095668fdd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.3709",
    "kind": "arxiv",
    "version": 1
  }
}