Pith Number

pith:BGT3VSX5

pith:2018:BGT3VSX5BW3FM3TRSXFBSVKP4I

not attested not anchored not stored refs pending

EXTraS discovery of a peculiar flaring X-ray source in the Galactic globular cluster NGC 6540

Adamantia Paizis, Andrea Belfiore, Andrea De Luca, Andrea Tiengo, David Salvetti, Lara Sidoli, Martino Marelli, Michela Rigoselli, Ruben Salvaterra, Sandro Mereghetti

arxiv:1805.08057 v1 · 2018-05-21 · 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{BGT3VSX5BW3FM3TRSXFBSVKP4I}

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	2026-05-18T00:07:34.322634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09a7bacafd0db6566e7195ca19554fe227a5e4eed5d2db3320336f2c0afbd467

Aliases

arxiv: 1805.08057 · arxiv_version: 1805.08057v1 · doi: 10.48550/arxiv.1805.08057 · pith_short_12: BGT3VSX5BW3F · pith_short_16: BGT3VSX5BW3FM3TR · pith_short_8: BGT3VSX5

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/BGT3VSX5BW3FM3TRSXFBSVKP4I \
  | 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: 09a7bacafd0db6566e7195ca19554fe227a5e4eed5d2db3320336f2c0afbd467

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eac121ac1caea4b180a5eb92322cd4ae5d5084ff857a6d4b912ff0b8db31739a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-05-21T13:51:56Z",
    "title_canon_sha256": "865f3eeefc2cd16450fe7c5b5830b06d220133257e89a7ebfe2b910d4390cfee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.08057",
    "kind": "arxiv",
    "version": 1
  }
}