Pith Number

pith:RPFKFMWW

pith:2004:RPFKFMWWPPAWXTMPUCIUS4QCY5

not attested not anchored not stored refs pending

GRAPES, Grism Spectroscopy of the Hubble Ultra Deep Field: Description and Data Reduction

A. Cimatti, A. M. Koekemoer, A. Pasquali, C. Gronwall, C. Xu, E. Daddi, H. C. Ferguson, H. Yan, J. E. Rhoads, Jonathan P. Gardner, J. R. Walsh, J. Vernet, L. A. Moustakas, M. K\"ummel, M. Stiavelli, N. Panagia, N. Pirzkal, R. A. Windhorst, S. di Serego Alighieri, S. Malhotra, Z. Haiman, Z. Tsvetanov

arxiv:astro-ph/0403458 v3 · 2004-03-18 · 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{RPFKFMWWPPAWXTMPUCIUS4QCY5}

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	2026-05-18T01:09:03.328245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bcaa2b2d67bc16bcd8fa091497202c762334b7465e6c11e3a6faef94494c2ea

Aliases

arxiv: astro-ph/0403458 · arxiv_version: astro-ph/0403458v3 · doi: 10.48550/arxiv.astro-ph/0403458 · pith_short_12: RPFKFMWWPPAW · pith_short_16: RPFKFMWWPPAWXTMP · pith_short_8: RPFKFMWW

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/RPFKFMWWPPAWXTMPUCIUS4QCY5 \
  | 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: 8bcaa2b2d67bc16bcd8fa091497202c762334b7465e6c11e3a6faef94494c2ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c44ef4f30aa6ac5657e11b979532698a8cb0113e1eeac92d420ee1eb2614555",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-03-18T20:48:53Z",
    "title_canon_sha256": "f9a118ef9b3ccb3a81870596e5aa927de9392c16b84596644ba8b1bfc65121cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0403458",
    "kind": "arxiv",
    "version": 3
  }
}