Pith Number

pith:IWS22QEW

pith:2009:IWS22QEWSAYINK7GWGP3I2WIVV

not attested not anchored not stored refs pending

Glimpses into the early Universe

David Langlois

arxiv:0910.0445 v1 · 2009-10-02 · hep-th · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IWS22QEWSAYINK7GWGP3I2WIVV}

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	2026-05-18T00:37:38.653596Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45a5ad4096903086abe6b19fb46ac8ad79585f2e2e3f2024348ef54ab9f0e6a8

Aliases

arxiv: 0910.0445 · arxiv_version: 0910.0445v1 · doi: 10.48550/arxiv.0910.0445 · pith_short_12: IWS22QEWSAYI · pith_short_16: IWS22QEWSAYINK7G · pith_short_8: IWS22QEW

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/IWS22QEWSAYINK7GWGP3I2WIVV \
  | 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: 45a5ad4096903086abe6b19fb46ac8ad79585f2e2e3f2024348ef54ab9f0e6a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbe8707f725685b42e02e012b57a660ec78794c778fe877e4ef800fdee422a3d",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-10-02T17:22:39Z",
    "title_canon_sha256": "dac017bff0f085e73fb5e365dd07b65a72656d16afd5096ed7498e128d798c10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.0445",
    "kind": "arxiv",
    "version": 1
  }
}