Pith Number

pith:F236E4RR

pith:2015:F236E4RRL5XJOAI6SASRMTFGUV

not attested not anchored not stored refs pending

Seven Years with the Swift Supergiant Fast X-ray Transients Project

P. Romano (INAF-Iasf Palermo)

arxiv:1504.07249 v1 · 2015-04-27 · 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{F236E4RRL5XJOAI6SASRMTFGUV}

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	2026-05-18T02:16:19.906877Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2eb7e272315f6e97011e9025164ca6a5510e0a32662caa9ddb1eedc48e76ee7f

Aliases

arxiv: 1504.07249 · arxiv_version: 1504.07249v1 · doi: 10.48550/arxiv.1504.07249 · pith_short_12: F236E4RRL5XJ · pith_short_16: F236E4RRL5XJOAI6 · pith_short_8: F236E4RR

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/F236E4RRL5XJOAI6SASRMTFGUV \
  | 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: 2eb7e272315f6e97011e9025164ca6a5510e0a32662caa9ddb1eedc48e76ee7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04529665f9dc7a6a3ada2e82f3f01ace98880559926b63956818b75b93920706",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-04-27T20:01:38Z",
    "title_canon_sha256": "045909bd13aab9561482af3d453245981ddfdc0bffd5a04f06b0b8661d5cc88b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.07249",
    "kind": "arxiv",
    "version": 1
  }
}