Pith Number

pith:DXKL23GR

pith:2017:DXKL23GRAKZR3MRKJG5LJ75H5B

not attested not anchored not stored refs pending

Quantum Energy Inequalities in Pre-Metric Electrodynamics

Christian Pfeifer, Christopher J. Fewster, Daniel Siemssen

arxiv:1709.01760 v2 · 2017-09-06 · math-ph · gr-qc · hep-th · math.MP · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DXKL23GRAKZR3MRKJG5LJ75H5B}

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	2026-05-18T00:24:51.722615Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1dd4bd6cd102b31db22a49bab4ffa7e8634d831e1d2970a2bdbc078c1a213ca5

Aliases

arxiv: 1709.01760 · arxiv_version: 1709.01760v2 · doi: 10.48550/arxiv.1709.01760 · pith_short_12: DXKL23GRAKZR · pith_short_16: DXKL23GRAKZR3MRK · pith_short_8: DXKL23GR

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/DXKL23GRAKZR3MRKJG5LJ75H5B \
  | 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: 1dd4bd6cd102b31db22a49bab4ffa7e8634d831e1d2970a2bdbc078c1a213ca5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9925d48fb095bc56dd99f8de5d39c275afb31c90f88fed836e45f7ee1da210b4",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th",
      "math.MP",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2017-09-06T10:56:11Z",
    "title_canon_sha256": "51c3ba0d65253559929136cfbd18d491ed45ebfad78c14a9f62bb0ee7e1b6407"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.01760",
    "kind": "arxiv",
    "version": 2
  }
}