Pith Number

pith:ULAA5X3S

pith:2001:ULAA5X3S5D2M77Z7XDYF54DYIY

not attested not anchored not stored refs pending

Constraints on inflation from CMB and Lyman-alpha forest

A.J.S. Hamilton, F.L. Villante, S. Hannestad, S.H. Hansen

arxiv:astro-ph/0103047 v2 · 2001-03-02 · 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{ULAA5X3S5D2M77Z7XDYF54DYIY}

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	2026-07-04T16:22:48.979407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2c00edf72e8f4cfff3fb8f05ef078461bab80113b3ab6d42aa4ddbf8c5bb00e

Aliases

arxiv: astro-ph/0103047 · arxiv_version: astro-ph/0103047v2 · doi: 10.48550/arxiv.astro-ph/0103047 · pith_short_12: ULAA5X3S5D2M · pith_short_16: ULAA5X3S5D2M77Z7 · pith_short_8: ULAA5X3S

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/ULAA5X3S5D2M77Z7XDYF54DYIY \
  | 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: a2c00edf72e8f4cfff3fb8f05ef078461bab80113b3ab6d42aa4ddbf8c5bb00e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2644e9f8d8e284fd2b478f9e4047f16e3e79d71b5ba65cfeb03fbef563b438ab",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-03-02T20:02:35Z",
    "title_canon_sha256": "83d866e84ed7d93cfd536f2d1183ff24afc847caf184098baa6d1b4b63fea741"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0103047",
    "kind": "arxiv",
    "version": 2
  }
}