Pith Number

pith:YCQXNPSW

pith:2011:YCQXNPSWBAOT27HJ2FUZGUPK4Z

not attested not anchored not stored refs pending

The Extreme Physics Explorer and Large Area Micro-Channel Plate Optics

(2) Leicester University, (3) University Maryland Baltimore County, (4) NASA/MSFC), Brian Ramsey (4) ((1) Smithsonian Astrophysical Observatory, Daniel Patnaude (1), Eric Silver (1), George Fraser (2), Ian Evans (1), Jon Chappell (1), Laura Brenneman (1), Martin Elvis (1), Michael Garcia (1), Ricardo Bruni (1), Richard Willingale (2), Suzanne Romaine (1), T.J. Turner (3)

arxiv:1109.3194 v1 · 2011-09-14 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YCQXNPSWBAOT27HJ2FUZGUPK4Z}

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	2026-05-18T02:00:32.807488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0a176be56081d3d7ce9d1699351eae66f89a57ec349af601e874f4478ec1245

Aliases

arxiv: 1109.3194 · arxiv_version: 1109.3194v1 · doi: 10.48550/arxiv.1109.3194 · pith_short_12: YCQXNPSWBAOT · pith_short_16: YCQXNPSWBAOT27HJ · pith_short_8: YCQXNPSW

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/YCQXNPSWBAOT27HJ2FUZGUPK4Z \
  | 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: c0a176be56081d3d7ce9d1699351eae66f89a57ec349af601e874f4478ec1245

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa2cef66b5c910c3f8d499740d0a5c5d62b534b1d55c8cf14cb22e3b7a6442e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-09-14T20:00:39Z",
    "title_canon_sha256": "c33828dbef105ab2d05bf917e960051e0c02f1d5a29ffba781501b3590d49209"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.3194",
    "kind": "arxiv",
    "version": 1
  }
}