Pith Number

pith:DUPUVRML

pith:2004:DUPUVRMLVCL6THFYFNWNBNMFOZ

not attested not anchored not stored refs pending

A Matched Catalogue i-dropout galaxies at z~6 in the Hubble Ultra Deep Field

2), (2) Institute of Astronomy, Andrew J Bunker (1, Cambridge), Elizabeth R. Stanway (2) ((1) University of Exeter

arxiv:astro-ph/0407562 v1 · 2004-07-28 · 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{DUPUVRMLVCL6THFYFNWNBNMFOZ}

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	2026-07-04T14:13:40.898675Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d1f4ac58ba897e99cb82b6cd0b585765771ccd296733d85d899bcb927986917

Aliases

arxiv: astro-ph/0407562 · arxiv_version: astro-ph/0407562v1 · doi: 10.48550/arxiv.astro-ph/0407562 · pith_short_12: DUPUVRMLVCL6 · pith_short_16: DUPUVRMLVCL6THFY · pith_short_8: DUPUVRML

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/DUPUVRMLVCL6THFYFNWNBNMFOZ \
  | 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: 1d1f4ac58ba897e99cb82b6cd0b585765771ccd296733d85d899bcb927986917

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ac51384580a1667677c9e9f6c043d771023c92b4d3ed0b4b8c801a06fb97a51",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-07-28T18:03:51Z",
    "title_canon_sha256": "e24ca108ca8a6c81937cbcbff3e23e908a5f0b70694b203986c6d62be5dc1e88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0407562",
    "kind": "arxiv",
    "version": 1
  }
}