Pith Number

pith:QO2HHUR3

pith:2004:QO2HHUR3A3RBYVLR4XSGUK72OD

not attested not anchored not stored refs pending

A catalogue of the Chandra Deep Field South with multi-colour classification and photometric redshifts from COMBO-17

A. Borch, A. Cimatti, C. Wolf, E. F. Bell, G. Hasinger, G. Szokoly, H.-W. Rix, K. Meisenheimer, L. Wisotzki, M. Gray, M. Kleinheinrich, S. Dye

arxiv:astro-ph/0403666 v1 · 2004-03-29 · 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{QO2HHUR3A3RBYVLR4XSGUK72OD}

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.

Cited by

2 papers in Pith

Recalibration of SDSS photometric zero-points based on the InfraRed Flux Method temperature scale

Empirical colour--effective temperature relations in the SDSS system from IRFM temperatures of GALAH and APOGEE stars

Receipt and verification

First computed	2026-07-04T16:43:29.185584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83b473d23b06e21c5571e5e46a2bfa70ee2123b7979632a62736bb749888d762

Aliases

arxiv: astro-ph/0403666 · arxiv_version: astro-ph/0403666v1 · doi: 10.48550/arxiv.astro-ph/0403666 · pith_short_12: QO2HHUR3A3RB · pith_short_16: QO2HHUR3A3RBYVLR · pith_short_8: QO2HHUR3

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/QO2HHUR3A3RBYVLR4XSGUK72OD \
  | 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: 83b473d23b06e21c5571e5e46a2bfa70ee2123b7979632a62736bb749888d762

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "293e1c56108d09b592d19b3f8c39b9d9f2acd32b31b9d91ed010d85cb144432e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-03-29T21:01:28Z",
    "title_canon_sha256": "59e38cc2738b57b1f39948ddfedd50e2f07636cd4df137de9bd74265ef147a46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0403666",
    "kind": "arxiv",
    "version": 1
  }
}