Pith Number

pith:3TLXPM6X

pith:2021:3TLXPM6X5NLKUWEJER5BE3ICF2

not attested not anchored not stored refs pending

The development of the THESEUS SXI optics

Alexander Lodge, Charlotte H. Feldman, Emile Schyns, Hannah Natasha Lerman, Ian Hutchinson, Julien Seguy, Melissa McHugh, Paul O'Brien, Ray Fairbend, Richard Willingale, Roisin Speight, Romain Roudot

arxiv:2102.08695 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{3TLXPM6X5NLKUWEJER5BE3ICF2}

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	2026-07-05T02:16:06.334112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcd777b3d7eb56aa5889247a126d022e8c6f0383c2f4cc4f53e5a53d8fb58924

Aliases

arxiv: 2102.08695 · arxiv_version: 2102.08695v1 · doi: 10.48550/arxiv.2102.08695 · pith_short_12: 3TLXPM6X5NLK · pith_short_16: 3TLXPM6X5NLKUWEJ · pith_short_8: 3TLXPM6X

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/3TLXPM6X5NLKUWEJER5BE3ICF2 \
  | 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: dcd777b3d7eb56aa5889247a126d022e8c6f0383c2f4cc4f53e5a53d8fb58924

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ccc90afeea7673446838da774b5254dfff82ec317b5280720f6ee80a4bec6e05",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-02-17T11:17:25Z",
    "title_canon_sha256": "a787954a26e994b95a266d5d7cf02059dbc8cf9c415ed85d907f82a19a706c06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.08695",
    "kind": "arxiv",
    "version": 1
  }
}