Pith Number

pith:5AVZ6GSC

pith:2017:5AVZ6GSC7YBOSK34G5N72DCGDK

not attested not anchored not stored refs pending

Bloch theory-based gradient recovery method for computing topological edge modes in photonic graphene

Hailong Guo, Xu Yang, Yi Zhu

arxiv:1711.01088 v2 · 2017-11-03 · 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{5AVZ6GSC7YBOSK34G5N72DCGDK}

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	2026-05-17T23:58:14.815692Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e82b9f1a42fe02e92b7c375bfd0c461a83b16b48cbbd38350f06c5722962a7d2

Aliases

arxiv: 1711.01088 · arxiv_version: 1711.01088v2 · doi: 10.48550/arxiv.1711.01088 · pith_short_12: 5AVZ6GSC7YBO · pith_short_16: 5AVZ6GSC7YBOSK34 · pith_short_8: 5AVZ6GSC

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/5AVZ6GSC7YBOSK34G5N72DCGDK \
  | 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: e82b9f1a42fe02e92b7c375bfd0c461a83b16b48cbbd38350f06c5722962a7d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c68c85aae31b938cac3d4c455c659b98851e27949c52faf2d7ae11f4a4338087",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-11-03T10:04:25Z",
    "title_canon_sha256": "a314f58c740c531bed36a7e7a008d2fa908caa368f3c013fff7f3bc4f205bf59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.01088",
    "kind": "arxiv",
    "version": 2
  }
}