Pith Number

pith:DIZPB2BD

pith:2005:DIZPB2BD5X25VRMCSGJGXEV2HW

not attested not anchored not stored refs pending

Direct evidence for an early reionization of the Universe?

(2) STScI, (3) NOAO/Tucson, (4) JPL), B. Mobasher (1), D. Stern (4), H.C. Ferguson (2), M. Dickinson (3), M. Giavalisco (2), N. Panagia (1), S.M. Fall (2), T. Wiklind (1) ((1) ESA/STScI

arxiv:astro-ph/0509605 v1 · 2005-09-20 · 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{DIZPB2BD5X25VRMCSGJGXEV2HW}

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	2026-05-18T01:07:30.616767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a32f0e823edf5dac58291926b92ba3da8c4462920e9f4523058a7ccb948baef

Aliases

arxiv: astro-ph/0509605 · arxiv_version: astro-ph/0509605v1 · doi: 10.48550/arxiv.astro-ph/0509605 · pith_short_12: DIZPB2BD5X25 · pith_short_16: DIZPB2BD5X25VRMC · pith_short_8: DIZPB2BD

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/DIZPB2BD5X25VRMCSGJGXEV2HW \
  | 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: 1a32f0e823edf5dac58291926b92ba3da8c4462920e9f4523058a7ccb948baef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "894b27a2a664d21cd7d07cde5b0f2170354ff181dbbcc90e5cf2c54ad15c7c1f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-09-20T20:30:24Z",
    "title_canon_sha256": "7edca0313f700ac7ac01be9641c3b7b65e1682e16bcf5ef75773670cd69ae96a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0509605",
    "kind": "arxiv",
    "version": 1
  }
}