Pith Number

pith:IN4EOJCO

pith:2020:IN4EOJCOUHK6OR2VA5IRZZCO7Q

not attested not anchored not stored refs pending

Validating the Fisher approach for stage IV spectroscopic surveys

A. Blanchard, A. Pourtsidou, D. Sapone, I. Tutusaus, K. Markovi\v{c}, S. Camera, S. Ili\'c, S. Yahia-Cherif, Z. Sakr

arxiv:2007.01812 v1 · 2020-07-03 · 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{IN4EOJCOUHK6OR2VA5IRZZCO7Q}

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	2026-07-05T02:39:34.893233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

437847244ea1d5e7475507511ce44efc16386861f651e57c5e22b86d6dd79f63

Aliases

arxiv: 2007.01812 · arxiv_version: 2007.01812v1 · doi: 10.48550/arxiv.2007.01812 · pith_short_12: IN4EOJCOUHK6 · pith_short_16: IN4EOJCOUHK6OR2V · pith_short_8: IN4EOJCO

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/IN4EOJCOUHK6OR2VA5IRZZCO7Q \
  | 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: 437847244ea1d5e7475507511ce44efc16386861f651e57c5e22b86d6dd79f63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a985dbcd4520e92a88484a239dfd744bb08a24941a11923ac25dcaabb3838025",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2020-07-03T17:02:17Z",
    "title_canon_sha256": "81014ae672bc6404ad337a7374504a28961a2ea312acf3af4c6416f9cfffa867"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.01812",
    "kind": "arxiv",
    "version": 1
  }
}