Pith Number

pith:XBQG7W2J

pith:2018:XBQG7W2JDZFSYKIIDBYGKHW746

not attested not anchored not stored refs pending

Breakdown of Ehrenfest theorem for free particle constrained on a hypersurface

Q. H. Liu, Q. Li, X. Wang, Z. Li

arxiv:1802.01849 v1 · 2018-02-06 · quant-ph · math-ph · 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{XBQG7W2JDZFSYKIIDBYGKHW746}

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	2026-05-18T00:24:21.112935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8606fdb491e4b2c29081870651edfe7ad04ef7a0dedde921a30b240153e071a

Aliases

arxiv: 1802.01849 · arxiv_version: 1802.01849v1 · doi: 10.48550/arxiv.1802.01849 · pith_short_12: XBQG7W2JDZFS · pith_short_16: XBQG7W2JDZFSYKII · pith_short_8: XBQG7W2J

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/XBQG7W2JDZFSYKIIDBYGKHW746 \
  | 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: b8606fdb491e4b2c29081870651edfe7ad04ef7a0dedde921a30b240153e071a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c6373e80ec24745cdd65fdcd735b0e45e05fc79e791a8e5c0020eefafc7c8df",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-02-06T09:10:25Z",
    "title_canon_sha256": "5255404d7446d967fa2b67ea050150b983144051ba6db858e4b65f43d0b9114d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.01849",
    "kind": "arxiv",
    "version": 1
  }
}