Pith Number

pith:F4XWDP6Z

pith:1998:F4XWDP6ZAOACIROFE3XZCJQ4DO

not attested not anchored not stored refs pending

Nonholonomic Constraints in Time-Dependent Mechanics

G.Giachetta, G.Sardanashvily, L.Mangiarotti

arxiv:math-ph/9807014 v1 · 1998-07-13 · math-ph · math.DG · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F4XWDP6ZAOACIROFE3XZCJQ4DO}

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	2026-05-18T01:38:30.763679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f2f61bfd903802445c526ef91261c1bb0c7c7befa532af49c866bd625095dbf

Aliases

arxiv: math-ph/9807014 · arxiv_version: math-ph/9807014v1 · doi: 10.48550/arxiv.math-ph/9807014 · pith_short_12: F4XWDP6ZAOAC · pith_short_16: F4XWDP6ZAOACIROF · pith_short_8: F4XWDP6Z

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/F4XWDP6ZAOACIROFE3XZCJQ4DO \
  | 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: 2f2f61bfd903802445c526ef91261c1bb0c7c7befa532af49c866bd625095dbf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff67ea05502583b142aad75f361c3964326fd1946a9651c2d38c5d68e56d3d54",
    "cross_cats_sorted": [
      "math.DG",
      "math.MP"
    ],
    "license": "",
    "primary_cat": "math-ph",
    "submitted_at": "1998-07-13T07:25:21Z",
    "title_canon_sha256": "2e1fea29465ee68478f04068e149b0ea84bd3ed0a8fea55d2a0cf3403f511f23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math-ph/9807014",
    "kind": "arxiv",
    "version": 1
  }
}