Pith Number

pith:ER2QQ5BW

pith:2011:ER2QQ5BWNIPK6Q4MH6KCXDJT5X

not attested not anchored not stored refs pending

Spectra of disc operator for twisted acceleration-enlarged Newton-Hooke space-times

Marcin Daszkiewicz

arxiv:1101.1716 v1 · 2011-01-10 · math-ph · gr-qc · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ER2QQ5BWNIPK6Q4MH6KCXDJT5X}

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	2026-05-18T03:39:43.862516Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24750874366a1eaf438c3f942b8d33edd556ed427f8fb27b707da2eddff865bd

Aliases

arxiv: 1101.1716 · arxiv_version: 1101.1716v1 · doi: 10.48550/arxiv.1101.1716 · pith_short_12: ER2QQ5BWNIPK · pith_short_16: ER2QQ5BWNIPK6Q4M · pith_short_8: ER2QQ5BW

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/ER2QQ5BWNIPK6Q4MH6KCXDJT5X \
  | 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: 24750874366a1eaf438c3f942b8d33edd556ed427f8fb27b707da2eddff865bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3994c9be9f2234f7253f191f69ae679cde6b8a68918075db6a8934f84e26407",
    "cross_cats_sorted": [
      "gr-qc",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2011-01-10T07:54:31Z",
    "title_canon_sha256": "542b3eba9acf4d3277caae38997fbd0b86d13f63b4b22581445be15c5bae0ff1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.1716",
    "kind": "arxiv",
    "version": 1
  }
}