Pith Number

pith:UYCYL5UT

pith:2009:UYCYL5UTGOPAUIMSSBSAZOQAWL

not attested not anchored not stored refs pending

Swift observations of GW Lib: a unique insight into a rare outburst

A. Beardmore, G.A. Wynn, J.P. Osborne, K. Byckling, K. Mukai, P.J. Wheatley, R.G. West, V. Braito

arxiv:0907.2659 v1 · 2009-07-15 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UYCYL5UTGOPAUIMSSBSAZOQAWL}

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	2026-05-18T02:13:02.683915Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a60585f693339e0a219290640cba00b2e56e537bb1cf32745db72467fb42623e

Aliases

arxiv: 0907.2659 · arxiv_version: 0907.2659v1 · doi: 10.48550/arxiv.0907.2659 · pith_short_12: UYCYL5UTGOPA · pith_short_16: UYCYL5UTGOPAUIMS · pith_short_8: UYCYL5UT

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/UYCYL5UTGOPAUIMSSBSAZOQAWL \
  | 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: a60585f693339e0a219290640cba00b2e56e537bb1cf32745db72467fb42623e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ba47ff513fc0d465c2e026808959040cbea9c37ed61436c4e3d94423f0ff601",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-07-15T17:11:04Z",
    "title_canon_sha256": "9554447f53383b9ac44ff92e09d94eff0c2b186dcd289b1471df828bf5d85cc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.2659",
    "kind": "arxiv",
    "version": 1
  }
}