Pith Number

pith:E3XFAK5F

pith:2012:E3XFAK5FP7DE6T24SPGYYZHWM2

not attested not anchored not stored refs pending

Reliable Identifications of AGN from the WISE, 2MASS and Rosat all-sky surveys

Matthew A. Malkan, Rick Edelson

arxiv:1203.1942 v3 · 2012-03-08 · astro-ph.CO · 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{E3XFAK5FP7DE6T24SPGYYZHWM2}

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

Hunting for extreme high-energy-peaked BL Lacs: Rare to find and difficult to classify

Receipt and verification

First computed	2026-05-18T02:43:26.474754Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26ee502ba57fc64f4f5c93cd8c64f6668200398c6db16abeb8ff7ef2fcbfb79f

Aliases

arxiv: 1203.1942 · arxiv_version: 1203.1942v3 · doi: 10.48550/arxiv.1203.1942 · pith_short_12: E3XFAK5FP7DE · pith_short_16: E3XFAK5FP7DE6T24 · pith_short_8: E3XFAK5F

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/E3XFAK5FP7DE6T24SPGYYZHWM2 \
  | 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: 26ee502ba57fc64f4f5c93cd8c64f6668200398c6db16abeb8ff7ef2fcbfb79f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a84fea81f06e8378a3e119f5c4cfc46840a2039380d619b5f636646d9b110b9",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-03-08T21:48:18Z",
    "title_canon_sha256": "cf9964b37a58c22abf5d8d0aa24a6e3aa8f77aefb84bb3714545b7ec54b894af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.1942",
    "kind": "arxiv",
    "version": 3
  }
}