Pith Number

pith:7V5NWBQW

pith:2005:7V5NWBQWO6XUWLSV3TUJ5IIL7R

not attested not anchored not stored refs pending

Clues to AGN Growth from Optically Variable Objects in the Hubble Ultra Deep Field

(2) STScI), A. M. Koekemoer (2), A. N. Straughn (1), B. Mobasher (2), C. Xu (2), J. E. Rhoads (2) ((1) Arizona State University, L.-G.Strolger (2), N. P. Hathi (1), N. Pirzkal (2), R. A. Windhorst (1), R. E. Ryan Jr (1), S. H. Cohen (1), S. Malhotra (2)

arxiv:astro-ph/0511414 v2 · 2005-11-14 · 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{7V5NWBQWO6XUWLSV3TUJ5IIL7R}

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	2026-07-04T16:53:03.922865Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd7adb061677af4b2e55dce89ea10bfc76b6ea568f23cbb2272ce3467b796f23

Aliases

arxiv: astro-ph/0511414 · arxiv_version: astro-ph/0511414v2 · doi: 10.48550/arxiv.astro-ph/0511414 · pith_short_12: 7V5NWBQWO6XU · pith_short_16: 7V5NWBQWO6XUWLSV · pith_short_8: 7V5NWBQW

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/7V5NWBQWO6XUWLSV3TUJ5IIL7R \
  | 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: fd7adb061677af4b2e55dce89ea10bfc76b6ea568f23cbb2272ce3467b796f23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc2090dce955ad0c6a32ff23a4488e449df8777a99138046803bd4b084254cdd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-11-14T22:16:22Z",
    "title_canon_sha256": "c2eb6d6a1e5a2fc4a00e1cfe76b76c6844a3a8a808134236d829d44a2b4a7f1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0511414",
    "kind": "arxiv",
    "version": 2
  }
}