Pith Number

pith:UJK26334

pith:2009:UJK26334OVLQXWB2JCMDX3S7F7

not attested not anchored not stored refs pending

Cosmological particle creation in states of low energy

Andreas Degner, Rainer Verch

arxiv:0904.1273 v1 · 2009-04-08 · gr-qc · astro-ph.CO · 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{UJK26334OVLQXWB2JCMDX3S7F7}

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	2026-05-18T04:20:38.949595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a255af6f7c75570bd83a48983bee5f2ff3c735609465cc2dcb5732346988866a

Aliases

arxiv: 0904.1273 · arxiv_version: 0904.1273v1 · doi: 10.48550/arxiv.0904.1273 · pith_short_12: UJK26334OVLQ · pith_short_16: UJK26334OVLQXWB2 · pith_short_8: UJK26334

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/UJK26334OVLQXWB2JCMDX3S7F7 \
  | 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: a255af6f7c75570bd83a48983bee5f2ff3c735609465cc2dcb5732346988866a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "576e3059ef2c7d99785c9dfa6a8c85d8fc651bdba83fcd8fb3834e1fbbac9884",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-04-08T07:39:41Z",
    "title_canon_sha256": "b0a73b6ad0993d03ea171f9c5e4e669cba1cf1977b94bcd5d5525e0a5b1f0350"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.1273",
    "kind": "arxiv",
    "version": 1
  }
}