Pith Number

pith:62LL62Q6

pith:2009:62LL62Q62Q53K42SMRLRRAJ6X4

not attested not anchored not stored refs pending

IPHAS A-type Stars with Mid-IR Excesses in Spitzer Surveys

Antonio S. Hales, Eduardo Gonzalez-Solares, Janet E. Drew, Michael J. Barlow, Michael J. Irwin, Robert Greimel, Yvonne C. Unruh

arxiv:0901.0909 v1 · 2009-01-07 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{62LL62Q62Q53K42SMRLRRAJ6X4}

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	2026-05-18T04:29:24.128153Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f696bf6a1ed43bb57352645718813ebf217d27d1109cf5de1950e5c6617cc9d1

Aliases

arxiv: 0901.0909 · arxiv_version: 0901.0909v1 · doi: 10.48550/arxiv.0901.0909 · pith_short_12: 62LL62Q62Q53 · pith_short_16: 62LL62Q62Q53K42S · pith_short_8: 62LL62Q6

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/62LL62Q62Q53K42SMRLRRAJ6X4 \
  | 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: f696bf6a1ed43bb57352645718813ebf217d27d1109cf5de1950e5c6617cc9d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "141532741d15a4f9255275ab4995e7a14637b2c9acaf834eeebe8d3652c3634b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-01-07T20:14:05Z",
    "title_canon_sha256": "c59c45929344b1350882ff51be02948530738ac903f3b5a3fd5741741ed4af2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.0909",
    "kind": "arxiv",
    "version": 1
  }
}