Pith Number

pith:N7YIOHMJ

pith:2001:N7YIOHMJ2KUIJEAYSJ4W6FMX2B

not attested not anchored not stored refs pending

New Results from the X-ray and Optical Survey of the Chandra Deep Field South: The 300ks Exposure

A. Koekemoer (STScI), A. Zirm (JHU), C. Norman (JHU), E. Schreier (STScI), G. Hasinger, G.Szokoly (AIP), J. Bergeron (ESO), JHU), J.X. Wang (JHU), L. Kewley (JHU), M. Nonino (OAT), N. Grogin (STScI), P. Rosati (ESO), P.Tozzi (OAT), R. Giacconi (AUI, R. Gilli (JHU), R. Gilmozzi (ESO), S. Borgani (INFN), W. Zheng (JHU)

arxiv:astro-ph/0103014 v3 · 2001-03-01 · 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{N7YIOHMJ2KUIJEAYSJ4W6FMX2B}

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	2026-07-04T16:22:48.366535Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ff0871d89d2a884901892796f1597d04687f9edb7fd235ab4ff2b36a7d599d3

Aliases

arxiv: astro-ph/0103014 · arxiv_version: astro-ph/0103014v3 · doi: 10.48550/arxiv.astro-ph/0103014 · pith_short_12: N7YIOHMJ2KUI · pith_short_16: N7YIOHMJ2KUIJEAY · pith_short_8: N7YIOHMJ

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/N7YIOHMJ2KUIJEAYSJ4W6FMX2B \
  | 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: 6ff0871d89d2a884901892796f1597d04687f9edb7fd235ab4ff2b36a7d599d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af6b69b7054e1391829f9020f1b76e9a6ab51aa8916ac43b1c8568e0fb3059c5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-03-01T17:30:11Z",
    "title_canon_sha256": "99f3c00d45621c0b4a8002cefb2b06e0f1edeb856661bab5d2e813a24420b90c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0103014",
    "kind": "arxiv",
    "version": 3
  }
}