Pith Number

pith:QJ5GGSOQ

pith:2019:QJ5GGSOQVYWFV67JT26WD3P665

not attested not anchored not stored refs pending

Discovery of intergalactic bridges connecting two faint $z\sim3$ quasars

1), 2), (2) ESO Garching, (3) Universit\"ats-Sternwarte M\"unchen (4) UCO Lick -- Observatory/UC Santa Cruz, (5) UC Santa Barbara, 6), (6) Max Planck Institute for Astronomy, (7) Observatoire de Paris, (8) Dunlap Institute for Astronomy & Astrophysics), Allison Man (8) ((1) Max Planck Institute for Astrophysics, Aura Obreja (3), Eduardo Ba\~nados (6), Emanuele P. Farina (6, Fabrizio Arrigoni Battaia (1, Hadi Rahmani (7), Joseph F. Hennawi (5, J. Xavier Prochaska (4), Zheng Cai (4)

arxiv:1909.00829 v1 · 2019-09-02 · 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{QJ5GGSOQVYWFV67JT26WD3P665}

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	2026-07-05T00:13:54.999933Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

827a6349d0ae2c5afbe99ebd61edfef745a4c72ed303bf6934c7fc149a817951

Aliases

arxiv: 1909.00829 · arxiv_version: 1909.00829v1 · doi: 10.48550/arxiv.1909.00829 · pith_short_12: QJ5GGSOQVYWF · pith_short_16: QJ5GGSOQVYWFV67J · pith_short_8: QJ5GGSOQ

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/QJ5GGSOQVYWFV67JT26WD3P665 \
  | 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: 827a6349d0ae2c5afbe99ebd61edfef745a4c72ed303bf6934c7fc149a817951

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28d5e0262e6e3d4b7fbbf4dfcacd939918cc300e6ca0fc9fd5de5bdb4247d6c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-09-02T18:41:25Z",
    "title_canon_sha256": "9c999b346143f434031fa7b64f7015f26457f1a56b8b7f26a7244c18c7c5ddbd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.00829",
    "kind": "arxiv",
    "version": 1
  }
}