Pith Number

pith:DGV6LGAU

pith:1993:DGV6LGAUZYWGUPFVKVYOABMEZ5

not attested not anchored not stored refs pending

Blue perturbation spectra from inflation

F. Lucchin, S. Matarrese, S. Mollerach

arxiv:astro-ph/9309054 v1 · 1993-09-29 · 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{DGV6LGAUZYWGUPFVKVYOABMEZ5}

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	2026-05-18T04:33:50.521391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19abe59814ce2c6a3cb55570e00584cf761cd8f6246760fdb578d2a0b0585e56

Aliases

arxiv: astro-ph/9309054 · arxiv_version: astro-ph/9309054v1 · doi: 10.48550/arxiv.astro-ph/9309054 · pith_short_12: DGV6LGAUZYWG · pith_short_16: DGV6LGAUZYWGUPFV · pith_short_8: DGV6LGAU

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/DGV6LGAUZYWGUPFVKVYOABMEZ5 \
  | 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: 19abe59814ce2c6a3cb55570e00584cf761cd8f6246760fdb578d2a0b0585e56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3febff23c802c407d98880fa65e0d374ee0ff3f7315e26013ac5eecfd0bc09c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1993-09-29T14:15:53Z",
    "title_canon_sha256": "8fa5e07b4dfb1168829b9f400f50689e0de95231055ead18ad41d8a4c785c860"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9309054",
    "kind": "arxiv",
    "version": 1
  }
}