Pith Number

pith:4XHNVTBO

pith:2017:4XHNVTBOPJXIPCZQNXUTWJHJMV

not attested not anchored not stored refs pending

A spectroscopic search for AGN activity in the reionization era

Adi Zitrin, Daniel P. Stark, G. Roberts-Borsani, Kimihiko Nakajima, Nicolas Laporte, Ramesh Mainali, Richard S. Ellis

arxiv:1708.05173 v1 · 2017-08-17 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4XHNVTBOPJXIPCZQNXUTWJHJMV}

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	2026-05-18T00:27:45.936588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5cedacc2e7a6e878b306de93b24e96569c99ed58ed24af651fc60602795684a

Aliases

arxiv: 1708.05173 · arxiv_version: 1708.05173v1 · doi: 10.48550/arxiv.1708.05173 · pith_short_12: 4XHNVTBOPJXI · pith_short_16: 4XHNVTBOPJXIPCZQ · pith_short_8: 4XHNVTBO

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/4XHNVTBOPJXIPCZQNXUTWJHJMV \
  | 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: e5cedacc2e7a6e878b306de93b24e96569c99ed58ed24af651fc60602795684a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f826c506c08ac4a01352bf95a142120153b544cca9688cf69551363021cd480",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-08-17T08:55:33Z",
    "title_canon_sha256": "3dcc732eb7c45ad5ec771760a5b28be4796e528d6c9dce9b5513a7ffe4987261"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.05173",
    "kind": "arxiv",
    "version": 1
  }
}