Pith Number

pith:TXN5D46V

pith:2021:TXN5D46VMFSGXJYW3RRXCFLIMU

not attested not anchored not stored refs pending

Multilayered Recoverable Sandwich Composite Structures with Architected Core

Anna Hahm, Pavana Prabhakar, Vinay Damodaran

arxiv:2104.12194 v2 · 2021-04-25 · 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{TXN5D46VMFSGXJYW3RRXCFLIMU}

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	2026-07-05T03:35:09.561572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ddbd1f3d561646ba716dc637115686523778fd2594b6d8987fcda8f9dfc31d5

Aliases

arxiv: 2104.12194 · arxiv_version: 2104.12194v2 · doi: 10.48550/arxiv.2104.12194 · pith_short_12: TXN5D46VMFSG · pith_short_16: TXN5D46VMFSGXJYW · pith_short_8: TXN5D46V

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/TXN5D46VMFSGXJYW3RRXCFLIMU \
  | 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: 9ddbd1f3d561646ba716dc637115686523778fd2594b6d8987fcda8f9dfc31d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2851d25e807cc488fc96d7435d875921a0df4d1b497b55bc594d25598f7b204b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2021-04-25T16:20:11Z",
    "title_canon_sha256": "913e54c4a19f881d3196535bdd6775c48bb78aaa427fa4a54a17894e5c394711"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.12194",
    "kind": "arxiv",
    "version": 2
  }
}