Pith Number

pith:IH2T4AAH

pith:2020:IH2T4AAH34EBCNX3EKX2EN5QRX

not attested not anchored not stored refs pending

The Fundamental Reference AGN Monitoring Experiment (FRAMEx)

(2) Space Telescope Science Institute, (3) Observatoire de Paris), B. Dorland (1), C. Barache (3), F. Taris (3) ((1) U.S. Naval Observatory, J. Souchay (3), M. Johnson (1), N. Secrest (1), N. Zacharias (1), S. Lambert (3), T. Fischer (2)

arxiv:2009.02169 v1 · 2020-09-03 · astro-ph.IM · 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{IH2T4AAH34EBCNX3EKX2EN5QRX}

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.

Cited by

1 paper in Pith

Super-Size Me: The Big Multi-AGN Catalog (The Big MAC), Data Release 1: The Source Catalog

Receipt and verification

First computed	2026-07-05T01:33:04.095191Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41f53e0007df081136fb22afa237b08dd19731d908577e13d472fe2e4c3cff95

Aliases

arxiv: 2009.02169 · arxiv_version: 2009.02169v1 · doi: 10.48550/arxiv.2009.02169 · pith_short_12: IH2T4AAH34EB · pith_short_16: IH2T4AAH34EBCNX3 · pith_short_8: IH2T4AAH

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/IH2T4AAH34EBCNX3EKX2EN5QRX \
  | 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: 41f53e0007df081136fb22afa237b08dd19731d908577e13d472fe2e4c3cff95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "671831b5b488fb0a786845c05a8c1970a092cbc7461076469a0a7df5df2034d2",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2020-09-03T13:51:56Z",
    "title_canon_sha256": "e804d6c669f1b343fb66ca60a68fc1d2ab48336041d8b91e238f602d909af784"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.02169",
    "kind": "arxiv",
    "version": 1
  }
}