Pith Number

pith:N74ZE3N2

pith:2012:N74ZE3N2WGDCOVQFIXVBERVW2J

not attested not anchored not stored refs pending

Synergistic Astrophysics in the Ultraviolet using Active Galactic Nuclei

(2) Virginia Tech, (3) Ohio State University, (4) Towson University), Anton Koekemoer (1), Bradley M. Peterson (3), Gerard Kriss (1), Jennifer E. Scott (4) ((1) Space Telescope Science Institute, Nahum Arav (2), Smita Mathur (3)

arxiv:1209.3196 v1 · 2012-09-14 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N74ZE3N2WGDCOVQFIXVBERVW2J}

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	2026-05-18T03:45:32.548799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ff9926dbab18627560545ea1246b6d252536cd17982ad7056346bbe399e1dca

Aliases

arxiv: 1209.3196 · arxiv_version: 1209.3196v1 · doi: 10.48550/arxiv.1209.3196 · pith_short_12: N74ZE3N2WGDC · pith_short_16: N74ZE3N2WGDCOVQF · pith_short_8: N74ZE3N2

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/N74ZE3N2WGDCOVQFIXVBERVW2J \
  | 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: 6ff9926dbab18627560545ea1246b6d252536cd17982ad7056346bbe399e1dca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f6b102d539f06424a702d29365fa0b5267d55789dde4fd07ee6cbfd4569921b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-09-14T13:58:49Z",
    "title_canon_sha256": "e520f6a8a97a695c9d539d9a013fb6ce9a76acbe0bc292234f472e377bbf6ac2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.3196",
    "kind": "arxiv",
    "version": 1
  }
}