Pith Number

pith:3ID4WOYM

pith:2010:3ID4WOYMLS5DPQV4IPWOOYCAJN

not attested not anchored not stored refs pending

TASI Lectures on Cosmic Acceleration

Rachel Bean

arxiv:1003.4468 v2 · 2010-03-23 · 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{3ID4WOYMLS5DPQV4IPWOOYCAJN}

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	2026-05-18T02:24:27.019714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da07cb3b0c5cba37c2bc43ece760404b6feb7ad0d1c34e90cb49ab9f47209b1d

Aliases

arxiv: 1003.4468 · arxiv_version: 1003.4468v2 · doi: 10.48550/arxiv.1003.4468 · pith_short_12: 3ID4WOYMLS5D · pith_short_16: 3ID4WOYMLS5DPQV4 · pith_short_8: 3ID4WOYM

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/3ID4WOYMLS5DPQV4IPWOOYCAJN \
  | 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: da07cb3b0c5cba37c2bc43ece760404b6feb7ad0d1c34e90cb49ab9f47209b1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7f2e7514a2322767a647206a16c38e0b673426d0ecef21a533d9e45ce2a84c7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-03-23T17:07:55Z",
    "title_canon_sha256": "f403f92722e43aeb054434f93a03c7dadd4314df1c9e75366264a94ef79a2f73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.4468",
    "kind": "arxiv",
    "version": 2
  }
}