Pith Number

pith:NF7NCCPB

pith:2015:NF7NCCPBX2PRBHNT4SAOB6YR7I

not attested not anchored not stored refs pending

Web application for size and topology optimization of trusses and gusset plates

Amar Mandhyan, Gaurav Srivastava, Shankarjee Krishnamoorthi

arxiv:1512.02881 v1 · 2015-12-08 · cs.OH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NF7NCCPBX2PRBHNT4SAOB6YR7I}

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	2026-05-18T01:24:39.271138Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

697ed109e1be9f109db3e480e0fb11fa03543ce2ef15bb72a5095242c55ca592

Aliases

arxiv: 1512.02881 · arxiv_version: 1512.02881v1 · doi: 10.48550/arxiv.1512.02881 · pith_short_12: NF7NCCPBX2PR · pith_short_16: NF7NCCPBX2PRBHNT · pith_short_8: NF7NCCPB

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/NF7NCCPBX2PRBHNT4SAOB6YR7I \
  | 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: 697ed109e1be9f109db3e480e0fb11fa03543ce2ef15bb72a5095242c55ca592

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d51ead15d156266e17f16bf81aad528511380ef714730543c0fe9344673d1bf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.OH",
    "submitted_at": "2015-12-08T05:45:32Z",
    "title_canon_sha256": "76e65a3f56c639b2ebb5b020be0260172a138d0455a0c4e523323360448d0ebd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.02881",
    "kind": "arxiv",
    "version": 1
  }
}