Pith Number

pith:STQO5P5T

pith:2021:STQO5P5TMSCWCTUJCKDMG4H2LC

not attested not anchored not stored refs pending

Stretchable optical diffraction grating from poly(acrylic acid)/polyethylene oxide stereocomplex

Andrea M. Armani, Andre Kovach, Jinghan He, Wei Wu, William Wang, Yunxiang Wang

arxiv:2104.01660 v2 · 2021-04-04 · 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{STQO5P5TMSCWCTUJCKDMG4H2LC}

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	2026-07-05T03:28:37.033290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94e0eebfb36485614e891286c370fa589f5a7a8ce9031bf6242656fd4746bd19

Aliases

arxiv: 2104.01660 · arxiv_version: 2104.01660v2 · doi: 10.48550/arxiv.2104.01660 · pith_short_12: STQO5P5TMSCW · pith_short_16: STQO5P5TMSCWCTUJ · pith_short_8: STQO5P5T

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/STQO5P5TMSCWCTUJCKDMG4H2LC \
  | 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: 94e0eebfb36485614e891286c370fa589f5a7a8ce9031bf6242656fd4746bd19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65032153e9e1294334b704bf8ffb2981baff98ae17939330deb1f47a6409be08",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-04-04T18:36:44Z",
    "title_canon_sha256": "03850389ecd29c12b6fc2289726a8fa17d16ad4255bd08461d40184a09804ad9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.01660",
    "kind": "arxiv",
    "version": 2
  }
}