Pith Number

pith:NIXAMG53

pith:2019:NIXAMG53BZO5ZCZ7AF7HK6XDI7

not attested not anchored not stored refs pending

The REQUIEM Survey I: A Search for Extended Ly-Alpha Nebular Emission Around 31 z>5.7 Quasars

Alyssa B. Drake, Anna-Christina Eilers, Bram P. Venemans, Chiara Mazzucchelli, Eduardo Ba\~nados, Emanuele Paolo Farina, Fabian Walter, Fabrizio Arrigoni-Battaia, Feige Wang, Frederick B. Davies, Iskren Georgiev, Jan-Torge Schindler, Jinyi Yang, Joseph F. Hennawi, Lorenzo Busoni, Marcel Neeleman, Masafusa Onoue, Roberto Decarli, Sebastian Rabien, Thales A. Gutcke, Tiago Costa, Xiaohui Fan

arxiv:1911.08498 v1 · 2019-11-19 · 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{NIXAMG53BZO5ZCZ7AF7HK6XDI7}

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	2026-07-05T00:32:06.173036Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a2e061bbb0e5ddc8b3f017e757ae347ee8b6c06d8945885f32921195f722da3

Aliases

arxiv: 1911.08498 · arxiv_version: 1911.08498v1 · doi: 10.48550/arxiv.1911.08498 · pith_short_12: NIXAMG53BZO5 · pith_short_16: NIXAMG53BZO5ZCZ7 · pith_short_8: NIXAMG53

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/NIXAMG53BZO5ZCZ7AF7HK6XDI7 \
  | 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: 6a2e061bbb0e5ddc8b3f017e757ae347ee8b6c06d8945885f32921195f722da3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d56934006101f8ff5d8e087ab5212d9a6971391d0bdd1c0d4ea82050f98e3e0",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-11-19T19:00:04Z",
    "title_canon_sha256": "831cd64e37ccf2893c004620b696b62e48a2a155a202d42d47713d9f42777c4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.08498",
    "kind": "arxiv",
    "version": 1
  }
}