Pith Number

pith:TDDAKXZ5

pith:2013:TDDAKXZ5ZVSOVVOE3WZLEGCSAA

not attested not anchored not stored refs pending

The Hopkins Ultraviolet Telescope: The Final Archive

Jeffrey W. Kruk, Mary L. Romelfanger, William P. Blair, William V. Dixon

arxiv:1303.6131 v1 · 2013-03-25 · 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{TDDAKXZ5ZVSOVVOE3WZLEGCSAA}

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	2026-05-18T01:50:59.078867Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98c6055f3dcd64ead5c4ddb2b21852003b1b9935d45f42dfca036e7f5492b900

Aliases

arxiv: 1303.6131 · arxiv_version: 1303.6131v1 · doi: 10.48550/arxiv.1303.6131 · pith_short_12: TDDAKXZ5ZVSO · pith_short_16: TDDAKXZ5ZVSOVVOE · pith_short_8: TDDAKXZ5

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/TDDAKXZ5ZVSOVVOE3WZLEGCSAA \
  | 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: 98c6055f3dcd64ead5c4ddb2b21852003b1b9935d45f42dfca036e7f5492b900

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27358ae7d762f3b2f2fcd6348879ca288256ffda5be372cc603919a4f232a3eb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-03-25T13:53:26Z",
    "title_canon_sha256": "1576e72ac488adb25a51cfc502694efab3c46bccfb877f8783c8eb9f559d2486"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.6131",
    "kind": "arxiv",
    "version": 1
  }
}