Pith Number

pith:EGFF55SM

pith:2017:EGFF55SMFJEGR4AMM2AXHZ6CRT

not attested not anchored not stored refs pending

Tensor absolute value equations

Chiyu Chen, Liping Zhang, Liqun Qi, Shouqiang Du

arxiv:1705.06415 v1 · 2017-05-18 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EGFF55SMFJEGR4AMM2AXHZ6CRT}

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	2026-05-18T00:44:14.811772Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

218a5ef64c2a4868f00c668173e7c28ce226740ba53f31b58ac78e7ff50cb46c

Aliases

arxiv: 1705.06415 · arxiv_version: 1705.06415v1 · doi: 10.48550/arxiv.1705.06415 · pith_short_12: EGFF55SMFJEG · pith_short_16: EGFF55SMFJEGR4AM · pith_short_8: EGFF55SM

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/EGFF55SMFJEGR4AMM2AXHZ6CRT \
  | 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: 218a5ef64c2a4868f00c668173e7c28ce226740ba53f31b58ac78e7ff50cb46c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ec71c1b43d45803068c6deae859927adfc32addc629320576dfec0c95a82132",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-05-18T04:44:01Z",
    "title_canon_sha256": "33373bdf3ccf5afb2f8bc997edfcfc2bd9df153c0d4d842272d3a04660a3b229"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.06415",
    "kind": "arxiv",
    "version": 1
  }
}