Pith Number

pith:TMNVMCUQ

pith:2015:TMNVMCUQRZDE3GVFLJIDBLGJCK

not attested not anchored not stored refs pending

Geometric auxetics

Ciprian S. Borcea, Ileana Streinu

arxiv:1501.03550 v2 · 2015-01-15 · math.MG · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TMNVMCUQRZDE3GVFLJIDBLGJCK}

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	2026-05-18T01:20:47.139332Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b1b560a908e464d9aa55a5030acc912845b4cfcac32db3e404cda67d0e878f9

Aliases

arxiv: 1501.03550 · arxiv_version: 1501.03550v2 · doi: 10.48550/arxiv.1501.03550 · pith_short_12: TMNVMCUQRZDE · pith_short_16: TMNVMCUQRZDE3GVF · pith_short_8: TMNVMCUQ

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/TMNVMCUQRZDE3GVFLJIDBLGJCK \
  | 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: 9b1b560a908e464d9aa55a5030acc912845b4cfcac32db3e404cda67d0e878f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3b9985aeee2da1929f25ee7c2192a7247962be17b8c236f179ec94c5b1f74e3",
    "cross_cats_sorted": [
      "cs.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2015-01-15T01:28:56Z",
    "title_canon_sha256": "79660b912e4cfcd578cd1f515914f8ef007953988e54c26a7b3ae56ff9e6fa1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.03550",
    "kind": "arxiv",
    "version": 2
  }
}