Pith Number

pith:XUXYEL4J

pith:2011:XUXYEL4JCWJQGLBMMRSAAUBZWV

not attested not anchored not stored refs pending

Supergiant Fast X-ray Transients

Italy), Lara Sidoli (INAF-IASF Milano

arxiv:1103.6174 v1 · 2011-03-31 · 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{XUXYEL4JCWJQGLBMMRSAAUBZWV}

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	2026-05-18T04:25:13.817986Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd2f822f891593032c2c6464005039b55d9e4a83d4b7e51608cd10d3d7320fed

Aliases

arxiv: 1103.6174 · arxiv_version: 1103.6174v1 · doi: 10.48550/arxiv.1103.6174 · pith_short_12: XUXYEL4JCWJQ · pith_short_16: XUXYEL4JCWJQGLBM · pith_short_8: XUXYEL4J

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/XUXYEL4JCWJQGLBMMRSAAUBZWV \
  | 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: bd2f822f891593032c2c6464005039b55d9e4a83d4b7e51608cd10d3d7320fed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "634f5e45f1d069ab7bbee6803607643821624d26e3b831d847ce62dfe0661194",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-03-31T13:27:23Z",
    "title_canon_sha256": "bcaea7b528af5ef8a75dc09fc793ec3399d874b96b8d2796ae4e7b802cc7a110"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.6174",
    "kind": "arxiv",
    "version": 1
  }
}