Pith Number

pith:GPJG4Y45

pith:2003:GPJG4Y45GHMIOADEP543OYHERQ

not attested not anchored not stored refs pending

Infrared spectroscopy of faint 15 micron sources in the Hubble Deep Field South: first hints at the properties of the sources of the IR background

A. Franceschini, C.J. Cesarsky, D. Elbaz, D. Rigopoulou, E. Moy, H. Aussel, M. Rowan-Robinson, P.P. van der Werf, R. Genzel, S. Berta, S. Oliver

arxiv:astro-ph/0303223 v1 · 2003-03-11 · 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{GPJG4Y45GHMIOADEP543OYHERQ}

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	2026-07-04T16:36:38.447389Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33d26e639d31d88700647f79b760e48c39f4215581da40a019a5b0574498a4d3

Aliases

arxiv: astro-ph/0303223 · arxiv_version: astro-ph/0303223v1 · doi: 10.48550/arxiv.astro-ph/0303223 · pith_short_12: GPJG4Y45GHMI · pith_short_16: GPJG4Y45GHMIOADE · pith_short_8: GPJG4Y45

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/GPJG4Y45GHMIOADEP543OYHERQ \
  | 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: 33d26e639d31d88700647f79b760e48c39f4215581da40a019a5b0574498a4d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4f3cd3973d5a5daac2a18da0c867c3744e7a14e0d78c3ff9b3fbf54dd4b037e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-03-11T09:34:27Z",
    "title_canon_sha256": "d5469bd722dd8c27789de71370f291766c939cd2d3bef8a573ce735c306a8283"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0303223",
    "kind": "arxiv",
    "version": 1
  }
}