Pith Number

pith:5GA2GPFI

pith:2011:5GA2GPFIHUBT2CXBUKTHRLEYK5

not attested not anchored not stored refs pending

Delta Scorpii 2011 periastron: worldwide observational campaign and preliminary photometric analysis

Costantino Sigismondi

arxiv:1107.1107 v1 · 2011-07-06 · astro-ph.SR · 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{5GA2GPFIHUBT2CXBUKTHRLEYK5}

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	2026-05-18T04:18:45.582738Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e981a33ca83d033d0ae1a2a678ac9857549c0075c96023bbefa351611eec414c

Aliases

arxiv: 1107.1107 · arxiv_version: 1107.1107v1 · doi: 10.48550/arxiv.1107.1107 · pith_short_12: 5GA2GPFIHUBT · pith_short_16: 5GA2GPFIHUBT2CXB · pith_short_8: 5GA2GPFI

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/5GA2GPFIHUBT2CXBUKTHRLEYK5 \
  | 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: e981a33ca83d033d0ae1a2a678ac9857549c0075c96023bbefa351611eec414c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fcb0193078d5025f7d06165cd4bcc0b9fb1c62b81486a766c9e11a6212812204",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-07-06T12:23:13Z",
    "title_canon_sha256": "679bfec6f4bab49b491261336ec06dc2a56a5c6fccab0068ec5ecf30dc2b3e91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.1107",
    "kind": "arxiv",
    "version": 1
  }
}