Pith Number

pith:IENTLYBC

pith:2012:IENTLYBCPBG6ZJKOM4WLKMSSAW

not attested not anchored not stored refs pending

Using the Bright Ultra-Hard XMM-Newton Survey to define an IR selection of luminous AGN based on WISE colours

A. Alonso-Herrero, A. Blain, D. Stern, F. J. Carrera, J. L. Donley, M. G. Watson, P. Severgnini, S. Mateos, V. Braito, X. Barcons

arxiv:1208.2530 v1 · 2012-08-13 · 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{IENTLYBCPBG6ZJKOM4WLKMSSAW}

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	2026-05-18T01:55:16.476652Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

411b35e022784deca54e672cb5325205b7f4a88f169a763400e38eb6b8d3eaa1

Aliases

arxiv: 1208.2530 · arxiv_version: 1208.2530v1 · doi: 10.48550/arxiv.1208.2530 · pith_short_12: IENTLYBCPBG6 · pith_short_16: IENTLYBCPBG6ZJKO · pith_short_8: IENTLYBC

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/IENTLYBCPBG6ZJKOM4WLKMSSAW \
  | 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: 411b35e022784deca54e672cb5325205b7f4a88f169a763400e38eb6b8d3eaa1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed2f61359ae713e176681c30ba7baebbac6be5de5c7e95b4b94a665c39a4adfb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-08-13T09:11:25Z",
    "title_canon_sha256": "6c1126afe2c5345435496b0107ffeda01a303d3052a4d63c2a3bf9813638634f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.2530",
    "kind": "arxiv",
    "version": 1
  }
}