Pith Number

pith:QGUYLCJJ

pith:2022:QGUYLCJJ4T2SZV4NCCYY4KBVB4

not attested not anchored not stored refs pending

Deep optical study of the mixed-morphology supernova remnant G 132.7+1.3 (HB3)

A. Chiotellis, D. Souropanis, E. Harvey, E. V. Palaiologou, I. Leonidaki, J. Alikakos, M. Kopsacheili, P. Boumis, S.Akras, S. Derlopa, V. Fragkou

arxiv:2202.07749 v1 · 2022-02-15 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QGUYLCJJ4T2SZV4NCCYY4KBVB4}

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	2026-07-05T03:59:03.843085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81a9858929e4f52cd78d10b18e28350f2c8c2094a28466551888df11c7cf6950

Aliases

arxiv: 2202.07749 · arxiv_version: 2202.07749v1 · doi: 10.48550/arxiv.2202.07749 · pith_short_12: QGUYLCJJ4T2S · pith_short_16: QGUYLCJJ4T2SZV4N · pith_short_8: QGUYLCJJ

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/QGUYLCJJ4T2SZV4NCCYY4KBVB4 \
  | 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: 81a9858929e4f52cd78d10b18e28350f2c8c2094a28466551888df11c7cf6950

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5e1f146951c2673838f9ea255da94196190ac8ec0da941f17bcc86ee4c1f7e6",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-02-15T22:00:31Z",
    "title_canon_sha256": "0b4f02d36ab328c3c618353cf92b493bce6a4d5ce6d38b858f3ceb632a6b0690"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.07749",
    "kind": "arxiv",
    "version": 1
  }
}