Pith Number

pith:VMGBS7YC

pith:2015:VMGBS7YCDI2U6IZRANC4CN3IZS

not attested not anchored not stored refs pending

The motion of two identical masses connected by an ideal string symmetrically placed over a corner

Asim Gangopadhyaya, Constantin Rasinariu

arxiv:1511.03583 v3 · 2015-09-20 · physics.pop-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{VMGBS7YCDI2U6IZRANC4CN3IZS}

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	2026-05-18T00:57:18.133110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab0c197f021a354f23310345c13768ccb5c67476e2180509dfd7ccd4887e9913

Aliases

arxiv: 1511.03583 · arxiv_version: 1511.03583v3 · doi: 10.48550/arxiv.1511.03583 · pith_short_12: VMGBS7YCDI2U · pith_short_16: VMGBS7YCDI2U6IZR · pith_short_8: VMGBS7YC

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/VMGBS7YCDI2U6IZRANC4CN3IZS \
  | 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: ab0c197f021a354f23310345c13768ccb5c67476e2180509dfd7ccd4887e9913

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ef4d0934e57645117fd53fc8c002578e14d5c952d28cfef3b965963a82d9bc4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.pop-ph",
    "submitted_at": "2015-09-20T15:15:58Z",
    "title_canon_sha256": "13e9355ac5cb7ad8fc9cd9567b103f4bef3bc15c7b9e0fb6c8bfaa656d30813e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.03583",
    "kind": "arxiv",
    "version": 3
  }
}