Pith Number

pith:UV5OBTCE

pith:2019:UV5OBTCEAWLLW4S552BEE76FOI

not attested not anchored not stored refs pending

Non-reciprocal robotic metamaterials

Corentin Coulais, Edan Lerner, Martin Brandenbourger, Xander Locsin

arxiv:1903.03807 v1 · 2019-03-09 · physics.app-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UV5OBTCEAWLLW4S552BEE76FOI}

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	2026-07-05T00:13:42.945570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a57ae0cc440596bb725dee82427fc57203f6594ca3a3ab6f355917841f043d0d

Aliases

arxiv: 1903.03807 · arxiv_version: 1903.03807v1 · doi: 10.48550/arxiv.1903.03807 · pith_short_12: UV5OBTCEAWLL · pith_short_16: UV5OBTCEAWLLW4S5 · pith_short_8: UV5OBTCE

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/UV5OBTCEAWLLW4S552BEE76FOI \
  | 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: a57ae0cc440596bb725dee82427fc57203f6594ca3a3ab6f355917841f043d0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07d1f7b122911b0e4291a15cb04edd69736fb836b30122e1b9cc2ea9e28e5a7e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2019-03-09T14:07:44Z",
    "title_canon_sha256": "b4240415992368952164d1acad2e4b33feef96c6628343aaff85c4c9e220f670"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.03807",
    "kind": "arxiv",
    "version": 1
  }
}