Pith Number

pith:M274UROI

pith:2017:M274UROIPOPHY75NGHXQW3XJCD

not attested not anchored not stored refs pending

Spectral Energy Distribution Variations of Nearby Seyfert Galaxies During AGN Watch Monitoring Programs

Ece Kilerci-Eser, Marianne Vestergaard

arxiv:1710.07051 v2 · 2017-10-19 · 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{M274UROIPOPHY75NGHXQW3XJCD}

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	2026-05-18T00:27:18.636676Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66bfca45c87b9e7c7fad31ef0b6ee910ef9e424aeee526336378cbf098e0af2b

Aliases

arxiv: 1710.07051 · arxiv_version: 1710.07051v2 · doi: 10.48550/arxiv.1710.07051 · pith_short_12: M274UROIPOPH · pith_short_16: M274UROIPOPHY75N · pith_short_8: M274UROI

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/M274UROIPOPHY75NGHXQW3XJCD \
  | 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: 66bfca45c87b9e7c7fad31ef0b6ee910ef9e424aeee526336378cbf098e0af2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bcecf02a918c4c7d42fe6f1e67eac9164eca7a1c91fd00eb4203e7052b7f12c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-10-19T09:29:52Z",
    "title_canon_sha256": "54f05a56bc9f9f61beaf35660b9343f0ffe67616dc8b4e5da453eb24ba8406b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.07051",
    "kind": "arxiv",
    "version": 2
  }
}