Pith Number

pith:AFS5JEW3

pith:2022:AFS5JEW3JXHUZNEHU4OULU72GB

not attested not anchored not stored refs pending

Probing time orientability of spacetime

D. M\"uller, M.J. Reboucas, N.A. Lemos

arxiv:2211.00816 v2 · 2022-11-02 · gr-qc · hep-th · math-ph · 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{AFS5JEW3JXHUZNEHU4OULU72GB}

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	2026-07-05T06:18:18.438026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0165d492db4dcf4cb487a71d45d3fa3067969892a918ab65c38ecef605b38df1

Aliases

arxiv: 2211.00816 · arxiv_version: 2211.00816v2 · doi: 10.48550/arxiv.2211.00816 · pith_short_12: AFS5JEW3JXHU · pith_short_16: AFS5JEW3JXHUZNEH · pith_short_8: AFS5JEW3

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/AFS5JEW3JXHUZNEHU4OULU72GB \
  | 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: 0165d492db4dcf4cb487a71d45d3fa3067969892a918ab65c38ecef605b38df1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "332ab4c53296cb130001ff56257ddc4d4de3211fe8e174ce5bce6f2ade773089",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2022-11-02T01:33:50Z",
    "title_canon_sha256": "2169f5399e4d6b1181bcdbf84d5469cfaab9de53266a15ab0b0f3c63e1cc1288"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.00816",
    "kind": "arxiv",
    "version": 2
  }
}