Pith Number

pith:SIVI2DPV

pith:2018:SIVI2DPV5A3OTN7NVXTKCDVTFD

not attested not anchored not stored refs pending

Real GIT with applications to compatible representations and Wick-rotations

Christer Helleland, Sigbjorn Hervik

arxiv:1807.05879 v2 · 2018-07-16 · math-ph · gr-qc · math.DG · 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{SIVI2DPV5A3OTN7NVXTKCDVTFD}

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	2026-05-17T23:45:37.554654Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

922a8d0df5e836e9b7edade6a10eb328e1987235c1b9dd0b2f2f530c4e31b765

Aliases

arxiv: 1807.05879 · arxiv_version: 1807.05879v2 · doi: 10.48550/arxiv.1807.05879 · pith_short_12: SIVI2DPV5A3O · pith_short_16: SIVI2DPV5A3OTN7N · pith_short_8: SIVI2DPV

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/SIVI2DPV5A3OTN7NVXTKCDVTFD \
  | 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: 922a8d0df5e836e9b7edade6a10eb328e1987235c1b9dd0b2f2f530c4e31b765

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6515e7620bf3334d7f18fbd53558c9290703da5e7b73913080c5570b26746cfd",
    "cross_cats_sorted": [
      "gr-qc",
      "math.DG",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2018-07-16T14:09:31Z",
    "title_canon_sha256": "38e13c7462e1ee9ac744ce81f29fbd390ff0a129cb919f41948e4f9da0c74d68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.05879",
    "kind": "arxiv",
    "version": 2
  }
}