Pith Number

pith:FCKL6HZX

pith:2017:FCKL6HZXLM7R75ADLXE5CMLSPT

not attested not anchored not stored refs pending

SPIDERS: Selection of spectroscopic targets using AGN candidates detected in all-sky X-ray surveys

A. Del Moro, A. D. Myers, A. D. Schwope, A. Georgakakis, A. Merloni, C. Jin, D. Coffey, J. Buchner, J. Ridl, K. Nandra, M. Brusa, M.-L. Menzel, M. Salvato, N. Clerc, P. J. Green, R. C. Nichol, S. F. Anderson, T. Budav\'ari, T. Dwelly, Th. Boller, T. Simm, W. N. Brandt

arxiv:1704.01796 v1 · 2017-04-06 · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FCKL6HZXLM7R75ADLXE5CMLSPT}

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	2026-05-18T00:43:44.874537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2894bf1f375b3f1ff4035dc9d131727cf5e0df05c65a8c66f24fc72577ad6c15

Aliases

arxiv: 1704.01796 · arxiv_version: 1704.01796v1 · doi: 10.48550/arxiv.1704.01796 · pith_short_12: FCKL6HZXLM7R · pith_short_16: FCKL6HZXLM7R75AD · pith_short_8: FCKL6HZX

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/FCKL6HZXLM7R75ADLXE5CMLSPT \
  | 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: 2894bf1f375b3f1ff4035dc9d131727cf5e0df05c65a8c66f24fc72577ad6c15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44b90454fba0879aafd13de16f692a316c2a7d2d6f3b60b26cfe663ad806d61d",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-04-06T11:52:12Z",
    "title_canon_sha256": "bb7f5334908cfc5c285ece76eb6dd46fc39ff8518a0d6ce240b48379a6ef3ed4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.01796",
    "kind": "arxiv",
    "version": 1
  }
}