Pith Number

pith:EWUV4I6R

pith:1997:EWUV4I6RNIQTG3ORSNNAGSMMGD

not attested not anchored not stored refs pending

Primordial black holes and early cosmology

Andrew R Liddle, Anne M Green

arxiv:astro-ph/9710235 v1 · 1997-10-22 · 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{EWUV4I6RNIQTG3ORSNNAGSMMGD}

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	2026-05-18T01:01:16.875692Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25a95e23d16a21336dd1935a03498c30f341c46cc95ff5ef9f7742c35c447cf4

Aliases

arxiv: astro-ph/9710235 · arxiv_version: astro-ph/9710235v1 · doi: 10.48550/arxiv.astro-ph/9710235 · pith_short_12: EWUV4I6RNIQT · pith_short_16: EWUV4I6RNIQTG3OR · pith_short_8: EWUV4I6R

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/EWUV4I6RNIQTG3ORSNNAGSMMGD \
  | 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: 25a95e23d16a21336dd1935a03498c30f341c46cc95ff5ef9f7742c35c447cf4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f8cf75386a577957492157122c02a59848a9b1cde23316c26d32d8f4c2317b4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-10-22T10:04:05Z",
    "title_canon_sha256": "85e97cbf13071940a0df376b45eb701b8b37ab0444a74f454d0a27e0d10ac5c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9710235",
    "kind": "arxiv",
    "version": 1
  }
}