Pith Number

pith:IULQOV7W

pith:2011:IULQOV7WM3O6OL5CLA5TU2OTTP

not attested not anchored not stored refs pending

A 0535+26: an X-ray/Optical Tour

A. Camero-Arranz, C.A. Wilson-Hodge, I. Caballero, I. Steele, J. Gutierrez-Soto, J. Rodriguez, J. Suso, M.H. Finger, M.J. Coe, P. Jenke, P. Kretschmar, V.A. McBride

arxiv:1105.2081 v1 · 2011-05-11 · 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{IULQOV7WM3O6OL5CLA5TU2OTTP}

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	2026-05-18T02:02:01.531622Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45170757f666dde72fa2583b3a69d39bfd9a9bfc2f0a2430e172abbc2aa2f97e

Aliases

arxiv: 1105.2081 · arxiv_version: 1105.2081v1 · doi: 10.48550/arxiv.1105.2081 · pith_short_12: IULQOV7WM3O6 · pith_short_16: IULQOV7WM3O6OL5C · pith_short_8: IULQOV7W

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/IULQOV7WM3O6OL5CLA5TU2OTTP \
  | 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: 45170757f666dde72fa2583b3a69d39bfd9a9bfc2f0a2430e172abbc2aa2f97e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5cb49194fbef4f9e9ea6401bd02b470d5f22303ff0fe50ec6bc72de769fd5b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-05-11T00:37:56Z",
    "title_canon_sha256": "fa1f9cc9d293fea75915af40687786613295c6da63ea7cecfd2a6594301f6849"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.2081",
    "kind": "arxiv",
    "version": 1
  }
}