Pith Number

pith:SF42PJLM

pith:2010:SF42PJLMMI7OVJ2KDZSPUUSCQ7

not attested not anchored not stored refs pending

Swift observations of the SFXT SAX J1818.6-1703 in outburst

(2) INAF-IASF Milano, (3) Psu, (4) NASA/GSFC, 5), (5) USRA, (6) Inaf-Iasf Roma), A. Bazzano (6), D.N. Burrows (3), H.A. Krimm (4, J.A. Kennea (3), L. Sidoli (2), M.M. Chester (3), N. Gehrels (4) ((1) Inaf-Iasf Palermo, P. Esposito (2), P. Romano (1), V. La Parola (1)

arxiv:1001.2450 v1 · 2010-01-14 · 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{SF42PJLMMI7OVJ2KDZSPUUSCQ7}

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	2026-05-18T02:09:52.151118Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9179a7a56c623eeaa74a1e64fa524287c6a4210b9b464a1763e1c489eeb707e9

Aliases

arxiv: 1001.2450 · arxiv_version: 1001.2450v1 · doi: 10.48550/arxiv.1001.2450 · pith_short_12: SF42PJLMMI7O · pith_short_16: SF42PJLMMI7OVJ2K · pith_short_8: SF42PJLM

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/SF42PJLMMI7OVJ2KDZSPUUSCQ7 \
  | 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: 9179a7a56c623eeaa74a1e64fa524287c6a4210b9b464a1763e1c489eeb707e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb5404cc986323ee9eb44df6342da47851ccd761d67873a035d108f852c58753",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-01-14T13:03:24Z",
    "title_canon_sha256": "1cac6f0fe96c72b1e61369051a47a568aea71489480013bf91443788f697911a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.2450",
    "kind": "arxiv",
    "version": 1
  }
}