Pith Number

pith:SV5QRKD6

pith:2014:SV5QRKD6MVIDY7C5NEKPJGLIOH

not attested not anchored not stored refs pending

A ~6 Mpc overdensity at z = 2.7 detected along a pair of quasar sight lines: filament or protocluster?

Hayley Finley, Isabelle P\^aris, Pasquier Noterdaeme, Patrick Petitjean

arxiv:1408.4799 v1 · 2014-08-20 · astro-ph.CO · 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{SV5QRKD6MVIDY7C5NEKPJGLIOH}

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	2026-05-18T01:42:16.539078Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

957b08a87e65503c7c5d6914f4996871ec546c8a9d4370571fa473f21fa5d4c1

Aliases

arxiv: 1408.4799 · arxiv_version: 1408.4799v1 · doi: 10.48550/arxiv.1408.4799 · pith_short_12: SV5QRKD6MVID · pith_short_16: SV5QRKD6MVIDY7C5 · pith_short_8: SV5QRKD6

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/SV5QRKD6MVIDY7C5NEKPJGLIOH \
  | 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: 957b08a87e65503c7c5d6914f4996871ec546c8a9d4370571fa473f21fa5d4c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24e320617f607738dd766b43bf9bc4e65e4f735b137ec9dbe5e862b72b17327b",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-08-20T20:00:05Z",
    "title_canon_sha256": "8d3c490f774f078a895d41a27c103fc90e02ba2814fa21aa5dd76fea0e3bd8f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.4799",
    "kind": "arxiv",
    "version": 1
  }
}