Pith Number

pith:B3D46KJQ

pith:2013:B3D46KJQYI7QPVDA5CTXG43K3G

not attested not anchored not stored refs pending

One dimensional Newton's equation with variable mass

M. Halilsoy, S. Habib Mazharimousavi

arxiv:1308.2981 v1 · 2013-07-06 · 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{B3D46KJQYI7QPVDA5CTXG43K3G}

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	2026-05-18T03:15:57.029591Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ec7cf2930c23f07d460e8a773736ad984563df0d772dd096dd8ed5dc89dd05a

Aliases

arxiv: 1308.2981 · arxiv_version: 1308.2981v1 · doi: 10.48550/arxiv.1308.2981 · pith_short_12: B3D46KJQYI7Q · pith_short_16: B3D46KJQYI7QPVDA · pith_short_8: B3D46KJQ

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/B3D46KJQYI7QPVDA5CTXG43K3G \
  | 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: 0ec7cf2930c23f07d460e8a773736ad984563df0d772dd096dd8ed5dc89dd05a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6155c4b50cc7d6ac7896ad937092254835ffed525e3cafcc69efdaec250cf4ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-07-06T19:07:23Z",
    "title_canon_sha256": "ebc74a20f32658c39c206acb1456832815515259a688e76913a3908634a960fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.2981",
    "kind": "arxiv",
    "version": 1
  }
}