Pith Number

pith:4ZSLDPGD

pith:2023:4ZSLDPGDIPVFWN2VLMXAVLFBY2

not attested not anchored not stored refs pending

The Tianlin Mission: a 6m UV/Opt/IR space telescope to explore the habitable worlds and the universe

Boqian Xu, Frank Grupp, Gang Zhao, Jifeng Liu, Jihong Dong, Jin Chang, Meng Zhai, Shen Wang, Wei Wang, Xuejun Zhang

arxiv:2307.12013 v1 · 2023-07-22 · astro-ph.EP · 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{4ZSLDPGDIPVFWN2VLMXAVLFBY2}

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	2026-07-05T06:33:37.558813Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e664b1bcc343ea5b37555b2e0aaca1c6a766d4f02e5d2a5b381881c47af72624

Aliases

arxiv: 2307.12013 · arxiv_version: 2307.12013v1 · doi: 10.48550/arxiv.2307.12013 · pith_short_12: 4ZSLDPGDIPVF · pith_short_16: 4ZSLDPGDIPVFWN2V · pith_short_8: 4ZSLDPGD

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/4ZSLDPGDIPVFWN2VLMXAVLFBY2 \
  | 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: e664b1bcc343ea5b37555b2e0aaca1c6a766d4f02e5d2a5b381881c47af72624

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "274ebf07c16b9d17d0364d49138ed0ee71a1065fee51ef6bfcf2729964dff622",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2023-07-22T08:19:58Z",
    "title_canon_sha256": "37bc05d3c18be344b1225ac7a631bc81f06b695d5ddae2779b80660faf6f5fd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.12013",
    "kind": "arxiv",
    "version": 1
  }
}