Pith Number

pith:BRUPGWH6

pith:2021:BRUPGWH6D552NGTE2BGH3EMOS4

not attested not anchored not stored refs pending

Metric mechanics with non-trivial topology: actuating irises, cylinders and evertors

D. Duffy, J. S. Biggins, M. Javed, M. K. Abdelrahman, M. Warner, T. H. Ware

arxiv:2107.09611 v2 · 2021-07-20 · cond-mat.soft

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BRUPGWH6D552NGTE2BGH3EMOS4}

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	2026-07-05T03:42:22.614790Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c68f358fe1f7ba69a64d04c7d918e9714ca2ee09da31e3836d309bd01c7a06e

Aliases

arxiv: 2107.09611 · arxiv_version: 2107.09611v2 · doi: 10.48550/arxiv.2107.09611 · pith_short_12: BRUPGWH6D552 · pith_short_16: BRUPGWH6D552NGTE · pith_short_8: BRUPGWH6

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/BRUPGWH6D552NGTE2BGH3EMOS4 \
  | 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: 0c68f358fe1f7ba69a64d04c7d918e9714ca2ee09da31e3836d309bd01c7a06e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a61948adf21e698a083e6f0f2fe963658a3744c9087035480fa4e43f0f538c0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2021-07-20T16:43:45Z",
    "title_canon_sha256": "f1512793009a73625644e7ce7025a6742196700aa8fc9ac850e5848e42f85b78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.09611",
    "kind": "arxiv",
    "version": 2
  }
}