Pith Number

pith:2R22JWNH

pith:2003:2R22JWNH7CGZJCM2AXRFAWFSG2

not attested not anchored not stored refs pending

A Deep, Wide Field, Optical, and Near Infrared Catalog of a Large Area around the Hubble Deep Field North

A.J. Barger, C. Kretchmer, C. McNally, D. Stern, E. Fernandez, E.M. Hu, L.L. Cowie, M. Dickinson, M. Giavalisco, P. Capak, S. Miyazaki, S. Okamura, Y. Komiyama

arxiv:astro-ph/0312635 v1 · 2003-12-29 · 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{2R22JWNH7CGZJCM2AXRFAWFSG2}

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	2026-07-04T16:38:04.222594Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d475a4d9a7f88d94899a05e25058b236b11c637c957a09f9d91356378efafd2a

Aliases

arxiv: astro-ph/0312635 · arxiv_version: astro-ph/0312635v1 · doi: 10.48550/arxiv.astro-ph/0312635 · pith_short_12: 2R22JWNH7CGZ · pith_short_16: 2R22JWNH7CGZJCM2 · pith_short_8: 2R22JWNH

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/2R22JWNH7CGZJCM2AXRFAWFSG2 \
  | 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: d475a4d9a7f88d94899a05e25058b236b11c637c957a09f9d91356378efafd2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a57ec09967af9da2a78a08216d5a036043c6b8e10bdaed6705e194b7678a7c78",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-12-29T20:23:26Z",
    "title_canon_sha256": "a5d2d058d85851772c5363dfde42f0a53032489e71ec3bd7c5f6e0d6b14e955c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0312635",
    "kind": "arxiv",
    "version": 1
  }
}