Pith Number

pith:PQRMTBJG

pith:2014:PQRMTBJGIJCWDH4B7G6ECNDPI6

not attested not anchored not stored refs pending

Problems with the Newton-Schr\"odinger Equations

B. L. Hu, C. Anastopoulos

arxiv:1403.4921 v3 · 2014-03-19 · quant-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{PQRMTBJGIJCWDH4B7G6ECNDPI6}

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	2026-05-18T01:43:59.176232Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c22c985264245619f81f9bc41346f4798009484bef2bbbb5291e351ad9c9ccf

Aliases

arxiv: 1403.4921 · arxiv_version: 1403.4921v3 · doi: 10.48550/arxiv.1403.4921 · pith_short_12: PQRMTBJGIJCW · pith_short_16: PQRMTBJGIJCWDH4B · pith_short_8: PQRMTBJG

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/PQRMTBJGIJCWDH4B7G6ECNDPI6 \
  | 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: 7c22c985264245619f81f9bc41346f4798009484bef2bbbb5291e351ad9c9ccf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8fecf76cfc618630b270eb92438197e61df190a80b6cffaea68de63a944d341e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-03-19T19:36:48Z",
    "title_canon_sha256": "75597e25b0d3cd2e761b948d386f74cc6cf5822fab6712ab33859f77105fa52e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.4921",
    "kind": "arxiv",
    "version": 3
  }
}