Pith Number

pith:HJEPHXNX

pith:2014:HJEPHXNXBHVC6H5FKVG7THFYEA

not attested not anchored not stored refs pending

Triggering optical AGN: the need for cold gas, and the indirect roles of galaxy environment and interactions

J. Sabater, P. N. Best, T. M. Heckman

arxiv:1411.5031 v1 · 2014-11-18 · astro-ph.GA · 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{HJEPHXNXBHVC6H5FKVG7THFYEA}

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	2026-05-18T02:34:44.496482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a48f3ddb709ea2f1fa5554df99cb82039a1878b77790bd4972dc61fddf3f8dd

Aliases

arxiv: 1411.5031 · arxiv_version: 1411.5031v1 · doi: 10.48550/arxiv.1411.5031 · pith_short_12: HJEPHXNXBHVC · pith_short_16: HJEPHXNXBHVC6H5F · pith_short_8: HJEPHXNX

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/HJEPHXNXBHVC6H5FKVG7THFYEA \
  | 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: 3a48f3ddb709ea2f1fa5554df99cb82039a1878b77790bd4972dc61fddf3f8dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5eafca57b2a7fcbf485b8873c95e92480d2dd225ab0663f0d92687c8fede92c",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-11-18T21:00:08Z",
    "title_canon_sha256": "9daabb7e4792a49f07e41762c88c199766d809ad879964905f7226ec447cd245"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.5031",
    "kind": "arxiv",
    "version": 1
  }
}