Pith Number

pith:6V5CDW2G

pith:2020:6V5CDW2GOQ3ROTTJP7JUNYBMXL

not attested not anchored not stored refs pending

Near-unity broadband omnidirectional emissivity via femtosecond laser surface processing

Alfred Tsubaki, Andrew Reicks, Christos Argyropoulos, Craig Zuhlke, Dennis Alexander, George Gogos, Jace Wieseler, Jeffrey E. Shield, Larousse Khosravi Khorashad, Mark Anderson

arxiv:2012.04724 v2 · 2020-12-08 · 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{6V5CDW2GOQ3ROTTJP7JUNYBMXL}

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	2026-07-05T02:26:40.163573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f57a21db467437174e697fd346e02cbaefc25006238fd5ad2ccd5366d8bdb73f

Aliases

arxiv: 2012.04724 · arxiv_version: 2012.04724v2 · doi: 10.48550/arxiv.2012.04724 · pith_short_12: 6V5CDW2GOQ3R · pith_short_16: 6V5CDW2GOQ3ROTTJ · pith_short_8: 6V5CDW2G

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/6V5CDW2GOQ3ROTTJP7JUNYBMXL \
  | 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: f57a21db467437174e697fd346e02cbaefc25006238fd5ad2ccd5366d8bdb73f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d0472e097b0c61c5a18a21573bc1913e1f97acd04e2f0b78ef7edea0ced1712",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2020-12-08T20:21:47Z",
    "title_canon_sha256": "238ab08e40263dd4c79163081817951bcb2e4e15497c08aebe47cc48f9db491b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.04724",
    "kind": "arxiv",
    "version": 2
  }
}