Pith Number

pith:UKEZDA2E

pith:1994:UKEZDA2EDBPDP3UPR7UQCCDZRH

not attested not anchored not stored refs pending

Backreaction in Semiclassical Cosmolgy: The Einstein Langevin Equation

Andrew Matacz, Be-lok Hu

arxiv:gr-qc/9403043 v2 · 1994-03-21 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UKEZDA2EDBPDP3UPR7UQCCDZRH}

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.

Cited by

3 papers in Pith

Schwinger-Keldysh Path Integral for Gauge theories

Effective Field Theory Calculation of LIGO-like Compton Scattering

Schwinger-Keldysh Path Integral for Gauge theories

Receipt and verification

First computed	2026-07-04T15:27:11.808953Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a289918344185e37ee8f8fe901087989d74a266545d5cfef7609edf7fcf800f6

Aliases

arxiv: gr-qc/9403043 · arxiv_version: gr-qc/9403043v2 · doi: 10.48550/arxiv.gr-qc/9403043 · pith_short_12: UKEZDA2EDBPD · pith_short_16: UKEZDA2EDBPDP3UP · pith_short_8: UKEZDA2E

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/UKEZDA2EDBPDP3UPR7UQCCDZRH \
  | 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: a289918344185e37ee8f8fe901087989d74a266545d5cfef7609edf7fcf800f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0009c037893136703cf200a6d91e6d614d2fcca743ac1c06b73e228dbe30b061",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1994-03-21T23:45:20Z",
    "title_canon_sha256": "04f8f2c4a7d65f1d8405a46c68ebc2d2f18148a2df2682ad7f33a68f4f05d58c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9403043",
    "kind": "arxiv",
    "version": 2
  }
}