Pith Number

pith:KV6QWTEW

pith:1995:KV6QWTEWW7CLK4E5RG5RQHNN7C

not attested not anchored not stored refs pending

Observational constraints on blue primordial spectra

F. Lucchin, G. De Gasperis, L. Moscardini, N. Vittorio, S. Colafrancesco, S. Matarrese, S. Mei, S. Mollerach

arxiv:astro-ph/9504028 v1 · 1995-04-10 · 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{KV6QWTEWW7CLK4E5RG5RQHNN7C}

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	2026-07-04T15:58:00.920878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

557d0b4c96b7c4b5709d89bb181dadf895f7e413a109f9f9202f40d7176c0e50

Aliases

arxiv: astro-ph/9504028 · arxiv_version: astro-ph/9504028v1 · doi: 10.48550/arxiv.astro-ph/9504028 · pith_short_12: KV6QWTEWW7CL · pith_short_16: KV6QWTEWW7CLK4E5 · pith_short_8: KV6QWTEW

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/KV6QWTEWW7CLK4E5RG5RQHNN7C \
  | 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: 557d0b4c96b7c4b5709d89bb181dadf895f7e413a109f9f9202f40d7176c0e50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1bf46ac4ecddbcaa5ac771e0159e0c7c73a1a4c4b3cf8ff638fe3d62881b612",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1995-04-10T13:15:11Z",
    "title_canon_sha256": "55c617326019b874411dff362df0178a1c434decc1175d0dcdde088aeaf06995"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9504028",
    "kind": "arxiv",
    "version": 1
  }
}