Pith Number

pith:Q6S2TUXQ

pith:2018:Q6S2TUXQDIQXNH6MHXNW2TMXWC

not attested not anchored not stored refs pending

Relativistic spring-mass system

Andre G. S. Landulfo, Daniel A. T. Vanzella, George E. A. Matsas, Rodrigo Andrade e Silva

arxiv:1810.13365 v1 · 2018-10-31 · physics.class-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q6S2TUXQDIQXNH6MHXNW2TMXWC}

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	2026-05-18T00:01:49.542463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87a5a9d2f01a21769fcc3ddb6d4d97b0b04959383e4b5b1ce6be293af403195a

Aliases

arxiv: 1810.13365 · arxiv_version: 1810.13365v1 · doi: 10.48550/arxiv.1810.13365 · pith_short_12: Q6S2TUXQDIQX · pith_short_16: Q6S2TUXQDIQXNH6M · pith_short_8: Q6S2TUXQ

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/Q6S2TUXQDIQXNH6MHXNW2TMXWC \
  | 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: 87a5a9d2f01a21769fcc3ddb6d4d97b0b04959383e4b5b1ce6be293af403195a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "589e65eeec8d38fe5128165cbe9b8930be1553afdeee918b3790483c475d29b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2018-10-31T16:01:54Z",
    "title_canon_sha256": "79ec8116f3b3ca08bf3939966b1de4d072b6bd2e3aab6d5e0fc06bc442d2bfd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.13365",
    "kind": "arxiv",
    "version": 1
  }
}