Pith Number

pith:ITRDB3KP

pith:2017:ITRDB3KPCYUSP4GFBTZS2GOCET

not attested not anchored not stored refs pending

Periodic auxetics: Structure and design

Ciprian S. Borcea, Ileana Streinu

arxiv:1708.03960 v1 · 2017-08-13 · math.MG · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ITRDB3KPCYUSP4GFBTZS2GOCET}

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	2026-05-18T00:38:07.410107Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44e230ed4f162927f0c50cf32d19c224c6df35b092bd20932c66956af6b0c8b7

Aliases

arxiv: 1708.03960 · arxiv_version: 1708.03960v1 · doi: 10.48550/arxiv.1708.03960 · pith_short_12: ITRDB3KPCYUS · pith_short_16: ITRDB3KPCYUSP4GF · pith_short_8: ITRDB3KP

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/ITRDB3KPCYUSP4GFBTZS2GOCET \
  | 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: 44e230ed4f162927f0c50cf32d19c224c6df35b092bd20932c66956af6b0c8b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e67c595107af6e0bbaeecaa97ba5381058a6df938b60ac613c2fdb43c9258fb",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2017-08-13T19:32:11Z",
    "title_canon_sha256": "8089d66f4eaead34bb97313f11f3b6a7ab64f1a1d3c6d71f29b0fd81e6d06196"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.03960",
    "kind": "arxiv",
    "version": 1
  }
}