Pith Number

pith:7FSATCTZ

pith:2009:7FSATCTZUDURMIXWB2BPVLEFYS

not attested not anchored not stored refs pending

Asymptotic symmetries of Schr\"odinger spacetimes

Geoffrey Comp\`ere, Kentaroh Yoshida, Sophie de Buyl, St\'ephane Detournay

arxiv:0908.1402 v2 · 2009-08-10 · hep-th · 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{7FSATCTZUDURMIXWB2BPVLEFYS}

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	2026-05-18T02:34:37.943141Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f964098a79a0e91622f60e82faac85c4bf0401d0db7c08c4ad1cbcf5393fa236

Aliases

arxiv: 0908.1402 · arxiv_version: 0908.1402v2 · doi: 10.48550/arxiv.0908.1402 · pith_short_12: 7FSATCTZUDUR · pith_short_16: 7FSATCTZUDURMIXW · pith_short_8: 7FSATCTZ

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/7FSATCTZUDURMIXWB2BPVLEFYS \
  | 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: f964098a79a0e91622f60e82faac85c4bf0401d0db7c08c4ad1cbcf5393fa236

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7b328707823e235fd8866f972d0a0aafa97556e7d2374e60decaf7b8daff55a",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-08-10T20:59:32Z",
    "title_canon_sha256": "b032a96f258da3845e5758f6352fbfbc9bc4f223c798cb008582e1b922f79311"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.1402",
    "kind": "arxiv",
    "version": 2
  }
}