Pith Number

pith:LQM5QR2T

pith:2018:LQM5QR2T2FQ3SDOENLIXON2W5A

not attested not anchored not stored refs pending

Spectroscopic Study of NGC 281 West

Priya Hasan

arxiv:1805.07949 v1 · 2018-05-21 · astro-ph.SR · 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{LQM5QR2T2FQ3SDOENLIXON2W5A}

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	2026-05-18T00:15:32.052308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c19d84753d161b90dc46ad1773756e811b953c2917c0d9b379f1fad0667eea2

Aliases

arxiv: 1805.07949 · arxiv_version: 1805.07949v1 · doi: 10.48550/arxiv.1805.07949 · pith_short_12: LQM5QR2T2FQ3 · pith_short_16: LQM5QR2T2FQ3SDOE · pith_short_8: LQM5QR2T

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/LQM5QR2T2FQ3SDOENLIXON2W5A \
  | 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: 5c19d84753d161b90dc46ad1773756e811b953c2917c0d9b379f1fad0667eea2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4696d9117a40fbdd042fb1c1ff39a84098a3d9866592729969c63686eae3dc94",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-05-21T08:53:32Z",
    "title_canon_sha256": "4e5e3c22a3f8d60bc2031e2d71406cc4d854deaa0be73e5f8d6a9ee44efdd049"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.07949",
    "kind": "arxiv",
    "version": 1
  }
}