Pith Number

pith:EZCE6PMF

pith:2019:EZCE6PMFFZLYPFRNS3RO4WXCFO

not attested not anchored not stored refs pending

Building Secure SRAM PUF Key Generators on Resource Constrained Devices

Damith C. Ranasinghe, Shiping Chen, Surya Nepal, Wei Yang, Yang Su, Yansong Gao

arxiv:1902.03031 v1 · 2019-02-08 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EZCE6PMFFZLYPFRNS3RO4WXCFO}

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	2026-05-17T23:54:28.564496Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26444f3d852e5787962d96e2ee5ae22b8c841e582e1361c7c2c2b71cff2bd4fd

Aliases

arxiv: 1902.03031 · arxiv_version: 1902.03031v1 · doi: 10.48550/arxiv.1902.03031 · pith_short_12: EZCE6PMFFZLY · pith_short_16: EZCE6PMFFZLYPFRN · pith_short_8: EZCE6PMF

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/EZCE6PMFFZLYPFRNS3RO4WXCFO \
  | 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: 26444f3d852e5787962d96e2ee5ae22b8c841e582e1361c7c2c2b71cff2bd4fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49d3e85bd4e11fd1ec63b3832fbd5af326dba5ffa0247ca205023cd29cd0a153",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-02-08T11:48:19Z",
    "title_canon_sha256": "d5877fc86aab6c334267eb79f681cbc05b32c0a2c1d1532321f8cf4f8f83c08f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.03031",
    "kind": "arxiv",
    "version": 1
  }
}