Pith Number

pith:26A6CXXZ

pith:2009:26A6CXXZTC2SMROS57EYUEEZBM

not attested not anchored not stored refs pending

Deep Chandra Observations of the Crab-like Pulsar Wind Nebula G54.1+0.3 and Spitzer Spectroscopy of the Associated Infrared Shell

John C. Raymond, Kazimierz J. Borkowski, Patrick Slane, Stephen P. Reynolds, Tea Temim

arxiv:0912.4538 v1 · 2009-12-22 · astro-ph.GA · 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{26A6CXXZTC2SMROS57EYUEEZBM}

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	2026-05-18T02:33:55.571203Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d781e15ef998b52645d2efc98a10990b063c5ce7457e5c28635113e16fb6acf2

Aliases

arxiv: 0912.4538 · arxiv_version: 0912.4538v1 · doi: 10.48550/arxiv.0912.4538 · pith_short_12: 26A6CXXZTC2S · pith_short_16: 26A6CXXZTC2SMROS · pith_short_8: 26A6CXXZ

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/26A6CXXZTC2SMROS57EYUEEZBM \
  | 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: d781e15ef998b52645d2efc98a10990b063c5ce7457e5c28635113e16fb6acf2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66553dd9c3338cc36e4c3f85439fbd5a5cbb399429ebe0691357c03cb242e1e4",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-12-22T23:45:31Z",
    "title_canon_sha256": "b7754d007846966b150eb6174d1cf06e9d938c3f8f9d4ac97f895c4ecaf4663a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.4538",
    "kind": "arxiv",
    "version": 1
  }
}