Pith Number

pith:RKQGXMYA

pith:2019:RKQGXMYAFJYGP5Q35UAMTVAAYH

not attested not anchored not stored refs pending

A Fully Automated Integral Field Spectrograph Pipeline for the SEDMachine: pysedm

A. Dugas, C. Fremling, J. D. Neill, J. Nordin, J. Sollerman, M. Feeney, M. Rigault, N. Blagorodnova, R. Walters, V. Brinnel, Y. Copin

arxiv:1902.08526 v1 · 2019-02-22 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RKQGXMYAFJYGP5Q35UAMTVAAYH}

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	2026-05-17T23:41:12.015871Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8aa06bb3002a7067f61bed00c9d400c1cf67bbbd1a244a3a73eede5eaf56eac3

Aliases

arxiv: 1902.08526 · arxiv_version: 1902.08526v1 · doi: 10.48550/arxiv.1902.08526 · pith_short_12: RKQGXMYAFJYG · pith_short_16: RKQGXMYAFJYGP5Q3 · pith_short_8: RKQGXMYA

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/RKQGXMYAFJYGP5Q35UAMTVAAYH \
  | 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: 8aa06bb3002a7067f61bed00c9d400c1cf67bbbd1a244a3a73eede5eaf56eac3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "477dc9acb3afefcfd699076fe044429ff159d58a341d4bc8f1e342f7015408fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-02-22T15:14:48Z",
    "title_canon_sha256": "ce7c87caf5e83fcb194b771cc6f4ed8dd882e2976f1771c376d5d34e8e306df1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.08526",
    "kind": "arxiv",
    "version": 1
  }
}