Pith Number

pith:KJZFA3V6

pith:1996:KJZFA3V6DSRXR5IFAC35GCJCMY

not attested not anchored not stored refs pending

Near Infrared Imaging of the Hubble Deep Field with The Keck Telescope

A. J. Weinberger (Caltech), B. T. Soifer, David W. Hogg, G. Neugebauer, K. Matthews, Lee Armus, Michael A. Pahre

arxiv:astro-ph/9611070 v2 · 1996-11-08 · 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{KJZFA3V6DSRXR5IFAC35GCJCMY}

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	2026-05-18T01:07:40.586644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5272506ebe1ca378f50500b7d309226608e389bd21984c105cb033baa53c4f5e

Aliases

arxiv: astro-ph/9611070 · arxiv_version: astro-ph/9611070v2 · doi: 10.48550/arxiv.astro-ph/9611070 · pith_short_12: KJZFA3V6DSRX · pith_short_16: KJZFA3V6DSRXR5IF · pith_short_8: KJZFA3V6

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/KJZFA3V6DSRXR5IFAC35GCJCMY \
  | 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: 5272506ebe1ca378f50500b7d309226608e389bd21984c105cb033baa53c4f5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff374d4ca49784c5546497259d5aba4e1f1deee3419d33865709830ed36b81fd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1996-11-08T21:40:17Z",
    "title_canon_sha256": "747d6cda7d5d0abce64ad3e25474d01236f467308c636d9506a3d87d3fd35714"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9611070",
    "kind": "arxiv",
    "version": 2
  }
}