Pith Number

pith:4P2YH4QS

pith:2021:4P2YH4QSKFQ6PXJSRXJGREBJLJ

not attested not anchored not stored refs pending

The soft X-ray imager on THESEUS: the transient high energy survey and early universe surveyor

Alexander Lodge, Andy Beardmore, Charlotte H. Feldman, Hannah Natasha Lerman, Ian Hutchinson, Melissa McHugh, Paul Drumm, Paul O'Brien, Richard Willingale, Roisin Speight

arxiv:2102.08700 v1 · 2021-02-17 · 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{4P2YH4QSKFQ6PXJSRXJGREBJLJ}

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	2026-07-05T02:16:06.738482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3f583f2125161e7dd328dd26890295a60575f2688e55c6577561c7e84b3b1e3

Aliases

arxiv: 2102.08700 · arxiv_version: 2102.08700v1 · doi: 10.48550/arxiv.2102.08700 · pith_short_12: 4P2YH4QSKFQ6 · pith_short_16: 4P2YH4QSKFQ6PXJS · pith_short_8: 4P2YH4QS

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/4P2YH4QSKFQ6PXJSRXJGREBJLJ \
  | 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: e3f583f2125161e7dd328dd26890295a60575f2688e55c6577561c7e84b3b1e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9658c09670ffbcc6d27cc6d6d2c751812e1489343b10f3104eaa029868253188",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-02-17T11:17:30Z",
    "title_canon_sha256": "d1b832b725d5aa4d9ee1521f2b847b029436c83d00d4038f75ed54d211df2817"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.08700",
    "kind": "arxiv",
    "version": 1
  }
}