Pith Number

pith:QCAQB3JQ

pith:2003:QCAQB3JQCGBAZRHSBOYQJETED3

not attested not anchored not stored refs pending

The Canada-France Deep Fields III: Photometric Redshift Distribution to I(AB) ~ 24

C. Porciani, D. Crampton, H. J. McCracken, M. Brodwin, O. Le Fevre, S. Foucaud, S. J. Lilly, Y. Mellier

arxiv:astro-ph/0310038 v2 · 2003-10-01 · 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{QCAQB3JQCGBAZRHSBOYQJETED3}

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	2026-07-04T16:51:47.710592Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

808100ed3011820cc4f20bb10492641ec4c1351e516091e4d35e98c556272958

Aliases

arxiv: astro-ph/0310038 · arxiv_version: astro-ph/0310038v2 · doi: 10.48550/arxiv.astro-ph/0310038 · pith_short_12: QCAQB3JQCGBA · pith_short_16: QCAQB3JQCGBAZRHS · pith_short_8: QCAQB3JQ

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/QCAQB3JQCGBAZRHSBOYQJETED3 \
  | 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: 808100ed3011820cc4f20bb10492641ec4c1351e516091e4d35e98c556272958

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05f59b9961f4d9d63b9950e114b4727daeece86e3a824eee5afead384ad63bd6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-10-01T20:03:50Z",
    "title_canon_sha256": "5c8c1f1d4b269f275056915907cd1dcd22b58289b26a142c9e80f97ac1aa110d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0310038",
    "kind": "arxiv",
    "version": 2
  }
}