Pith Number

pith:CZ4W5LE6

pith:2017:CZ4W5LE6XCLFFCMREJED73SYIA

not attested not anchored not stored refs pending

Comparison of the DeWitt metric in general relativity with the fourth-rank constitutive tensors in electrodynamics and in elasticity theory

Claus Kiefer, Friedrich W. Hehl

arxiv:1711.00883 v2 · 2017-11-02 · 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{CZ4W5LE6XCLFFCMREJED73SYIA}

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	2026-05-18T00:28:12.834149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16796eac9eb89652899122483fee58402df832b38ef67e367a9eea8475181b61

Aliases

arxiv: 1711.00883 · arxiv_version: 1711.00883v2 · doi: 10.48550/arxiv.1711.00883 · pith_short_12: CZ4W5LE6XCLF · pith_short_16: CZ4W5LE6XCLFFCMR · pith_short_8: CZ4W5LE6

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/CZ4W5LE6XCLFFCMREJED73SYIA \
  | 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: 16796eac9eb89652899122483fee58402df832b38ef67e367a9eea8475181b61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46fe63dfe99299ab4a0bf0105c792879f115343f66db1faad8cfb90bc291f19f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-11-02T18:44:30Z",
    "title_canon_sha256": "8764d7527b5198c57e35eec21b23ce074dd7365f111443b274771322ebb6f523"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.00883",
    "kind": "arxiv",
    "version": 2
  }
}