Pith Number

pith:RHZA6TN6

pith:2015:RHZA6TN6RLQVDZ7RCD2QODYAJM

not attested not anchored not stored refs pending

A Flexible and Modular Data Reduction Library for Fiber-fed Echelle Spectrographs

Andrea Modigliani, Christophe Lovis, Danuta Sosnowska, Denis Megevand, Francesco Pepe, Paolo Di Marcantonio, Pedro Figueira

arxiv:1509.05584 v1 · 2015-09-18 · astro-ph.IM · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RHZA6TN6RLQVDZ7RCD2QODYAJM}

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	2026-05-18T01:32:42.795423Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89f20f4dbe8ae151e7f110f5070f004b3041b46a225850b52bd0929ade814003

Aliases

arxiv: 1509.05584 · arxiv_version: 1509.05584v1 · doi: 10.48550/arxiv.1509.05584 · pith_short_12: RHZA6TN6RLQV · pith_short_16: RHZA6TN6RLQVDZ7R · pith_short_8: RHZA6TN6

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/RHZA6TN6RLQVDZ7RCD2QODYAJM \
  | 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: 89f20f4dbe8ae151e7f110f5070f004b3041b46a225850b52bd0929ade814003

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "588f4fe82dd57caa75574255a45212019d199f5ab4de2b65aab1fbe5a23f6be5",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-09-18T10:47:13Z",
    "title_canon_sha256": "13f3e202de994c872ed2a97df76d9654ba9564d0e1587e7758cb7ae808f1e73f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.05584",
    "kind": "arxiv",
    "version": 1
  }
}