Pith Number

pith:5OZ4THO4

pith:2018:5OZ4THO4OWSQKT2TN2B4Z6MXET

not attested not anchored not stored refs pending

Chandra X-rays from the redshift 7.54 quasar ULAS J1342+0928

B.P. Venemans, C. Mazzucchelli, D. Stern, E. Ba\~nados, E.P. Farina, F. Walter, F. Wang, J. Mulchaey, J. Yang, R. Decarli, T. Connor, X. Fan

arxiv:1803.08105 v1 · 2018-03-21 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5OZ4THO4OWSQKT2TN2B4Z6MXET}

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	2026-05-18T00:11:17.664424Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebb3c99ddc75a5054f536e83ccf99724cc124d7b84a3b2f3d7e7531db2d01e39

Aliases

arxiv: 1803.08105 · arxiv_version: 1803.08105v1 · doi: 10.48550/arxiv.1803.08105 · pith_short_12: 5OZ4THO4OWSQ · pith_short_16: 5OZ4THO4OWSQKT2T · pith_short_8: 5OZ4THO4

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/5OZ4THO4OWSQKT2TN2B4Z6MXET \
  | 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: ebb3c99ddc75a5054f536e83ccf99724cc124d7b84a3b2f3d7e7531db2d01e39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70d4cfb37e7d0ee94ab3c90c683691697bdd09b16526d772f6bd1126766a5024",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-03-21T19:44:13Z",
    "title_canon_sha256": "8dad62c355fd65efd8a84df5f88ab33121b6d3b88dfc467d81d451067ac92102"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.08105",
    "kind": "arxiv",
    "version": 1
  }
}