Pith Number

pith:KSHCG4RE

pith:2002:KSHCG4REOPCZGLRTHXWVCHNLBG

not attested not anchored not stored refs pending

Observations of the Hubble Deep Field South with the Infrared Space Observatory - I. Observations, data reduction and mid-infrared source counts

A. Dapergolas, A. Efstathiou, A. Franceschini, A. Verma, D. Elbaz, D. Rigopoulou, E. Kontizas, G.L. Granato, J.I. Gonzalez-Serrano, L. Silva, M. Kontizas, M. Rowan-Robinson, P.P. van der Werf, R. Carballo, R.G. Mann, S. Oliver, S. Serjeant

arxiv:astro-ph/0201506 v2 · 2002-01-30 · 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{KSHCG4REOPCZGLRTHXWVCHNLBG}

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	2026-07-04T16:29:20.164508Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

548e23722473c5932e333ded511dab09b6f622becd30ab059da234a24cadbe02

Aliases

arxiv: astro-ph/0201506 · arxiv_version: astro-ph/0201506v2 · doi: 10.48550/arxiv.astro-ph/0201506 · pith_short_12: KSHCG4REOPCZ · pith_short_16: KSHCG4REOPCZGLRT · pith_short_8: KSHCG4RE

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/KSHCG4REOPCZGLRTHXWVCHNLBG \
  | 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: 548e23722473c5932e333ded511dab09b6f622becd30ab059da234a24cadbe02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3bd07052861a3bea35aa85c2803959bb11a750e89a05bceaa28d347c1d28ce82",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-01-30T16:32:14Z",
    "title_canon_sha256": "71e9e20428c4ea9de27f0fdbd6f0e9ae48d22f0f793129b466cb124af923c2ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0201506",
    "kind": "arxiv",
    "version": 2
  }
}