Pith Number

pith:VFCO4JUK

pith:2009:VFCO4JUK5HE5D4UUFDUFXTHN6J

not attested not anchored not stored refs pending

Regulating the infrared by mode matching: A massless scalar in expanding spaces with constant deceleration

T. M. Janssen, T. Prokopec

arxiv:0906.0666 v1 · 2009-06-03 · gr-qc · 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{VFCO4JUK5HE5D4UUFDUFXTHN6J}

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	2026-05-18T04:23:03.292224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a944ee268ae9c9d1f29428e85bccedf27f62a3810cbed1ccb16c9a068ea95519

Aliases

arxiv: 0906.0666 · arxiv_version: 0906.0666v1 · doi: 10.48550/arxiv.0906.0666 · pith_short_12: VFCO4JUK5HE5 · pith_short_16: VFCO4JUK5HE5D4UU · pith_short_8: VFCO4JUK

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/VFCO4JUK5HE5D4UUFDUFXTHN6J \
  | 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: a944ee268ae9c9d1f29428e85bccedf27f62a3810cbed1ccb16c9a068ea95519

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b6e29852d1011a96b42dbb507560eb942be6f553f495fbb728cf1004909b44b",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-06-03T09:29:33Z",
    "title_canon_sha256": "46e23abb23d825eccfdb2009e589fc33ce2c88e69c17e8bb511c2d80cb093249"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.0666",
    "kind": "arxiv",
    "version": 1
  }
}