Pith Number

pith:H3C2UHWD

pith:2023:H3C2UHWDLKNEE5GDYOU45FHFBU

not attested not anchored not stored refs pending

Free electron emission in vacuum assisted by photonic time crystals

Tianyu Dong, Xiaoke Gao, Xiaoyu Zhao, Xikui Ma

arxiv:2311.01203 v1 · 2023-11-02 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H3C2UHWDLKNEE5GDYOU45FHFBU}

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	2026-07-05T07:08:22.308573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ec5aa1ec35a9a4274c3c3a9ce94e50d07d93a81b345c1fde6eaa974b0f9225e

Aliases

arxiv: 2311.01203 · arxiv_version: 2311.01203v1 · doi: 10.48550/arxiv.2311.01203 · pith_short_12: H3C2UHWDLKNE · pith_short_16: H3C2UHWDLKNEE5GD · pith_short_8: H3C2UHWD

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/H3C2UHWDLKNEE5GDYOU45FHFBU \
  | 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: 3ec5aa1ec35a9a4274c3c3a9ce94e50d07d93a81b345c1fde6eaa974b0f9225e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f92d1c586a5c00caec649e92b5aac2ca152b22c15f533d49a0ab42cdfc76e22e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2023-11-02T12:57:28Z",
    "title_canon_sha256": "67d6dfbd0770a38a69f4ce6cb6f6016933bea1901c706ee60da255e9306fd4f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2311.01203",
    "kind": "arxiv",
    "version": 1
  }
}