Pith Number

pith:OWV6QS3G

pith:2009:OWV6QS3GWSRVW5HRPSBWASLI3J

not attested not anchored not stored refs pending

Low-frequency line temperatures of the CMB

Ralf Hofmann

arxiv:0902.2700 v2 · 2009-02-16 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OWV6QS3GWSRVW5HRPSBWASLI3J}

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	2026-07-04T17:17:00.153301Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75abe84b66b4a35b74f17c83604968da407ef2158ba41327a085632d64601d84

Aliases

arxiv: 0902.2700 · arxiv_version: 0902.2700v2 · doi: 10.48550/arxiv.0902.2700 · pith_short_12: OWV6QS3GWSRV · pith_short_16: OWV6QS3GWSRVW5HR · pith_short_8: OWV6QS3G

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/OWV6QS3GWSRVW5HRPSBWASLI3J \
  | 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: 75abe84b66b4a35b74f17c83604968da407ef2158ba41327a085632d64601d84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d3949eac26a9acef7e494004cea6550bde2d4b9d34bcb42a84c5e1425d80d96",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-02-16T14:34:59Z",
    "title_canon_sha256": "872350e7f3a4344fb7b3f4cda78f7c8fc8c96d93a5d515131561d4a3e116e3c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.2700",
    "kind": "arxiv",
    "version": 2
  }
}