Pith Number

pith:CQJEHE2R

pith:1998:CQJEHE2RMTFFYC33JTK2FTNXEA

not attested not anchored not stored refs pending

A class of quasi-linear equations in coframe gravity

Yakov Itin

arxiv:gr-qc/9811084 v2 · 1998-11-24 · gr-qc · 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{CQJEHE2RMTFFYC33JTK2FTNXEA}

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	2026-05-18T01:39:18.257841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

141243935164ca5c0b7b4cd5a2cdb72039a9b9185c4fabb847bffe59d39a234b

Aliases

arxiv: gr-qc/9811084 · arxiv_version: gr-qc/9811084v2 · doi: 10.48550/arxiv.gr-qc/9811084 · pith_short_12: CQJEHE2RMTFF · pith_short_16: CQJEHE2RMTFFYC33 · pith_short_8: CQJEHE2R

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/CQJEHE2RMTFFYC33JTK2FTNXEA \
  | 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: 141243935164ca5c0b7b4cd5a2cdb72039a9b9185c4fabb847bffe59d39a234b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a26334e04b33c7aa54694489701e2d98fe752e00988ec212fe6549758529c12",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1998-11-24T17:45:06Z",
    "title_canon_sha256": "ec4f04d6bb70d5081c3c4558a718903ef4d501f108fcfd77cf0f95b9705f22f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9811084",
    "kind": "arxiv",
    "version": 2
  }
}