Pith Number

pith:DX2BDUVA

pith:1998:DX2BDUVAMJ3APNZQNFACKAFU4F

not attested not anchored not stored refs pending

Cosmological Density Perturbations From A Quantum Gravitational Model Of Inflation

(2) University of Crete), L. R. Abramo (1), N. C. Tsamis (2), R. P. Woodard (1) ((1) University of Florida at Gainesville

arxiv:astro-ph/9803172 v1 · 1998-03-16 · astro-ph · gr-qc · hep-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{DX2BDUVAMJ3APNZQNFACKAFU4F}

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	2026-05-18T01:40:14.290265Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1df411d2a0627607b73069402500b4e1500f7f497bb3b283c5f3a1d5135c7b68

Aliases

arxiv: astro-ph/9803172 · arxiv_version: astro-ph/9803172v1 · doi: 10.48550/arxiv.astro-ph/9803172 · pith_short_12: DX2BDUVAMJ3A · pith_short_16: DX2BDUVAMJ3APNZQ · pith_short_8: DX2BDUVA

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/DX2BDUVAMJ3APNZQNFACKAFU4F \
  | 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: 1df411d2a0627607b73069402500b4e1500f7f497bb3b283c5f3a1d5135c7b68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3de01286e71795082f7e750b4d6db83e5df9114f334b3eb261381b36e8397a74",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-03-16T00:03:36Z",
    "title_canon_sha256": "860660ad41af37103f35133d8cd5eecc310beac3c2fd5f6033c0a5f3a7fba100"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9803172",
    "kind": "arxiv",
    "version": 1
  }
}