Pith Number

pith:4S2EXRHO

pith:2019:4S2EXRHOMOWPSFCJTLX4H64BS3

not attested not anchored not stored refs pending

Redshift in Finsler spacetimes

Volker Perlick, Wolfgang Hasse

arxiv:1904.08521 v2 · 2019-04-17 · 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{4S2EXRHOMOWPSFCJTLX4H64BS3}

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	2026-05-17T23:40:23.449483Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4b44bc4ee63acf914499aefc3fb8196e756be24545d81b343274d1a5591385e

Aliases

arxiv: 1904.08521 · arxiv_version: 1904.08521v2 · doi: 10.48550/arxiv.1904.08521 · pith_short_12: 4S2EXRHOMOWP · pith_short_16: 4S2EXRHOMOWPSFCJ · pith_short_8: 4S2EXRHO

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/4S2EXRHOMOWPSFCJTLX4H64BS3 \
  | 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: e4b44bc4ee63acf914499aefc3fb8196e756be24545d81b343274d1a5591385e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49cd4b8ee97ce890aad954b44b4336199a3f6c45edfb56dff054666d06b84fb0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-04-17T22:20:49Z",
    "title_canon_sha256": "69fae81755a9d256dff325c0fa63dec0472bd002d141018c30ed5c00fba86abc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.08521",
    "kind": "arxiv",
    "version": 2
  }
}