Pith Number

pith:PCD2UVHT

pith:2026:PCD2UVHTMQNUCRVNVZ7Q5JBOYP

not attested not anchored not stored refs pending

Optimising transient discovery with Swift-XRT

M. R. Goad, P. A. Evans, R. A. J. Eyles-Ferris, S. Srivastava

arxiv:2606.30141 v1 · 2026-06-29 · astro-ph.HE · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PCD2UVHTMQNUCRVNVZ7Q5JBOYP}

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	2026-06-30T02:17:51.262496Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7887aa54f3641b4146adae7f0ea42ec3dd0be193ba27fbc7c12dbb555e960cf8

Aliases

arxiv: 2606.30141 · arxiv_version: 2606.30141v1 · doi: 10.48550/arxiv.2606.30141 · pith_short_12: PCD2UVHTMQNU · pith_short_16: PCD2UVHTMQNUCRVN · pith_short_8: PCD2UVHT

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/PCD2UVHTMQNUCRVNVZ7Q5JBOYP \
  | 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: 7887aa54f3641b4146adae7f0ea42ec3dd0be193ba27fbc7c12dbb555e960cf8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cacfd77949902beece4dbaee4e639d3e681e99c486c42f28f79d8df5d9efa4a9",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-06-29T11:20:14Z",
    "title_canon_sha256": "63dea200f96acc643185a79c236779960dd9f299efd0e1464cf02a83133e1257"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.30141",
    "kind": "arxiv",
    "version": 1
  }
}