Pith Number

pith:YCRYHVEO

pith:2011:YCRYHVEOWEEDB54DIXWZKO3CK2

not attested not anchored not stored refs pending

Fermi Large Area Telescope Observations of the Cygnus Loop Supernova Remnant

F. Giordano, H. Katagiri, I. A. Grenier, J. Ballet, L. Tibaldo, M. Roth, O. Tibolla, R. Yamazaki, T. A. Porter, Y. Uchiyama

arxiv:1108.1833 v2 · 2011-08-09 · 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{YCRYHVEOWEEDB54DIXWZKO3CK2}

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	2026-05-18T02:01:00.025270Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0a383d48eb10830f78345ed953b6256a60bbd3b58f1080b85e163242d352b99

Aliases

arxiv: 1108.1833 · arxiv_version: 1108.1833v2 · doi: 10.48550/arxiv.1108.1833 · pith_short_12: YCRYHVEOWEED · pith_short_16: YCRYHVEOWEEDB54D · pith_short_8: YCRYHVEO

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/YCRYHVEOWEEDB54DIXWZKO3CK2 \
  | 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: c0a383d48eb10830f78345ed953b6256a60bbd3b58f1080b85e163242d352b99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96d2d5de50289ee447a3029009f349f7749d0da85aefa065d43615c0e762c6e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-08-09T00:26:31Z",
    "title_canon_sha256": "d0582c5b9371b7ef6aaceda2d2603d8f0264ec5c05d1a3523ac5f770091d17b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.1833",
    "kind": "arxiv",
    "version": 2
  }
}