Pith Number

pith:OBSPWNET

pith:2020:OBSPWNETU4MEHTU3R7PPMWNUI4

not attested not anchored not stored refs pending

Photomechanical coupling in photoactive nematic elastomers

Kaushik Bhattacharya, Ruobing Bai

arxiv:2002.04000 v2 · 2020-02-10 · cond-mat.soft · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OBSPWNETU4MEHTU3R7PPMWNUI4}

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	2026-07-05T01:48:07.912233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7064fb3493a71843ce9b8fdef659b44700970962b8a7ffd8a16f0b1abe555fe0

Aliases

arxiv: 2002.04000 · arxiv_version: 2002.04000v2 · doi: 10.48550/arxiv.2002.04000 · pith_short_12: OBSPWNETU4ME · pith_short_16: OBSPWNETU4MEHTU3 · pith_short_8: OBSPWNET

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/OBSPWNETU4MEHTU3R7PPMWNUI4 \
  | 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: 7064fb3493a71843ce9b8fdef659b44700970962b8a7ffd8a16f0b1abe555fe0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "711bda05f6e2837fd6727840c0ab07da55ba0b64ac90435fb46abee000f60ac7",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2020-02-10T18:14:04Z",
    "title_canon_sha256": "40a91bfe899a9c73c08af61ddf64a7fdbbfddffb0a2e45c9bb665b4a940bbec9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.04000",
    "kind": "arxiv",
    "version": 2
  }
}