Pith Number

pith:P4L2KBS7

pith:1998:P4L2KBS7LRS5L7WMJEYTPW4R2Y

not attested not anchored not stored refs pending

The ESO Imaging Survey: Status Report and Preliminary Results

A. Renzini, A. Wicenec, C. Benoist, D. Silva, E.Bertin, E. Deul, I. Hook, I. Prandoni, L. da Costa, L. Olsen, M.D. Guarnieri, M. Nonino, M. Scodeggio, R. Hook, R. Mendez, R. Slijkhuis, R. Wichmann, S. Savaglio, T. Erben, W. Freudling

arxiv:astro-ph/9802322 v1 · 1998-02-25 · 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{P4L2KBS7LRS5L7WMJEYTPW4R2Y}

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	2026-07-04T14:15:41.523556Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f17a5065f5c65d5fecc493137db91d62424cd8ab7bbc0018bdac4194e92c456

Aliases

arxiv: astro-ph/9802322 · arxiv_version: astro-ph/9802322v1 · doi: 10.48550/arxiv.astro-ph/9802322 · pith_short_12: P4L2KBS7LRS5 · pith_short_16: P4L2KBS7LRS5L7WM · pith_short_8: P4L2KBS7

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/P4L2KBS7LRS5L7WMJEYTPW4R2Y \
  | 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: 7f17a5065f5c65d5fecc493137db91d62424cd8ab7bbc0018bdac4194e92c456

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "543851da8761f5e625131deadfde8a4e2df06b51cbedd1e4b918d519204b5012",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-02-25T14:05:07Z",
    "title_canon_sha256": "2669ec5fdef730fc0d7738223d09fe2bdabd46c9dd6914d6f3912222763d023e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9802322",
    "kind": "arxiv",
    "version": 1
  }
}