Pith Number

pith:QOWFK4VN

pith:2021:QOWFK4VNDGJJ4UELJI7PDC4PS3

not attested not anchored not stored refs pending

Theoretical stiffness limits of 4D printed self-folding metamaterials

Amir A. Zadpoor, Teunis van Manen

arxiv:2106.05790 v1 · 2021-06-10 · 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{QOWFK4VNDGJJ4UELJI7PDC4PS3}

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	2026-07-05T02:48:13.081972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83ac5572ad19929e508b4a3ef18b8f96fdf0383b9b9e7b695e32cab6697a383b

Aliases

arxiv: 2106.05790 · arxiv_version: 2106.05790v1 · doi: 10.48550/arxiv.2106.05790 · pith_short_12: QOWFK4VNDGJJ · pith_short_16: QOWFK4VNDGJJ4UEL · pith_short_8: QOWFK4VN

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/QOWFK4VNDGJJ4UELJI7PDC4PS3 \
  | 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: 83ac5572ad19929e508b4a3ef18b8f96fdf0383b9b9e7b695e32cab6697a383b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e39152efc8003ba2f2b02591cfde0130f860e4f954dcee8ab756ac3fb3635b2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2021-06-10T14:43:13Z",
    "title_canon_sha256": "8bf87df6fce3804e21a5edf826502c1a4e998c8691c23826b4fc874d04d59d51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.05790",
    "kind": "arxiv",
    "version": 1
  }
}