Pith Number

pith:HZZ4ALOG

pith:2005:HZZ4ALOGIC5IORQG64A2HQSICW

not attested not anchored not stored refs pending

Photometry from online Digitized Sky Survey Plates

A. Bacher, P. Teutsch (AI Innsbruck), S. Kimeswenger

arxiv:astro-ph/0507536 v1 · 2005-07-22 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HZZ4ALOGIC5IORQG64A2HQSICW}

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	2026-07-04T17:14:55.255804Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e73c02dc640ba874606f701a3c248158f218cecf32560e719ebcdfcc87e9b7b

Aliases

arxiv: astro-ph/0507536 · arxiv_version: astro-ph/0507536v1 · doi: 10.48550/arxiv.astro-ph/0507536 · pith_short_12: HZZ4ALOGIC5I · pith_short_16: HZZ4ALOGIC5IORQG · pith_short_8: HZZ4ALOG

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/HZZ4ALOGIC5IORQG64A2HQSICW \
  | 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: 3e73c02dc640ba874606f701a3c248158f218cecf32560e719ebcdfcc87e9b7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ece224d8f56815a0b6dffcc94f42be9d8a1a070dc84bf9d5ec716ffa72b17e91",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-07-22T13:06:31Z",
    "title_canon_sha256": "7311bd55185607e683344f121fa2f1f918dd749a17a9a3344b7a0c079f368d4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0507536",
    "kind": "arxiv",
    "version": 1
  }
}