Pith Number

pith:Y7AQNOHT

pith:2007:Y7AQNOHTNZVLBZHJILJRQ4X45X

not attested not anchored not stored refs pending

Quantum Vacuum and a Matter - Antimatter Cosmology

Frederick Rothwarf, Sisir Roy

arxiv:astro-ph/0703280 v3 · 2007-03-12 · 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{Y7AQNOHTNZVLBZHJILJRQ4X45X}

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	2026-05-18T04:09:03.494157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7c106b8f36e6ab0e4e942d31872fcedee86fe797c5b044cdd0942ef9f1974a9

Aliases

arxiv: astro-ph/0703280 · arxiv_version: astro-ph/0703280v3 · doi: 10.48550/arxiv.astro-ph/0703280 · pith_short_12: Y7AQNOHTNZVL · pith_short_16: Y7AQNOHTNZVLBZHJ · pith_short_8: Y7AQNOHT

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/Y7AQNOHTNZVLBZHJILJRQ4X45X \
  | 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: c7c106b8f36e6ab0e4e942d31872fcedee86fe797c5b044cdd0942ef9f1974a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "caf39454386031453332ea07fd5930337a3ce6fc587b2a0201358c025b345a17",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-03-12T19:25:28Z",
    "title_canon_sha256": "4ecf3c19f34432d7012f25c41218b6955205629af4faa4b2dca11f14fedd9d3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0703280",
    "kind": "arxiv",
    "version": 3
  }
}