Pith Number

pith:6LKPK23M

pith:2018:6LKPK23MUIO64XJUOD2JPJZ6UZ

not attested not anchored not stored refs pending

Zooming in on fermions and quantum gravity

Astrid Eichhorn, Marc Schiffer, Stefan Lippoldt

arxiv:1812.08782 v2 · 2018-12-20 · hep-th · 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{6LKPK23MUIO64XJUOD2JPJZ6UZ}

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.

Cited by

1 paper in Pith

Towards theory constraints on ultralight dark matter from quantum gravity

Receipt and verification

First computed	2026-05-17T23:48:16.810600Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2d4f56b6ca21dee5d3470f497a73ea647fdb0ff85c3443d063c811ada513156

Aliases

arxiv: 1812.08782 · arxiv_version: 1812.08782v2 · doi: 10.48550/arxiv.1812.08782 · pith_short_12: 6LKPK23MUIO6 · pith_short_16: 6LKPK23MUIO64XJU · pith_short_8: 6LKPK23M

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/6LKPK23MUIO64XJUOD2JPJZ6UZ \
  | 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: f2d4f56b6ca21dee5d3470f497a73ea647fdb0ff85c3443d063c811ada513156

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49f200938aec90c6121ab4c2b4d7d010ab52002c98e7d81e6ce1eb9f2ed2811d",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2018-12-20T18:57:32Z",
    "title_canon_sha256": "87af8ab3f849334eeee9ae2d05036b4646359f5317aa4927eb8638e773487e47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.08782",
    "kind": "arxiv",
    "version": 2
  }
}