Pith Number

pith:7LSJ7EGJ

pith:2015:7LSJ7EGJHHJINUP23BNNHH2THJ

not attested not anchored not stored refs pending

SignEPC : A Digital Signature Scheme for Efficient and Scalable Access Control in EPCglobal Network

Roy Ka-Wei Lee, Yingjiu Li

arxiv:1509.05582 v1 · 2015-09-18 · 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{7LSJ7EGJHHJINUP23BNNHH2THJ}

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	2026-05-18T01:32:42.807257Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fae49f90c939d286d1fad85ad39f533a7389bbe1e7c38e7e20da43f3396f3f07

Aliases

arxiv: 1509.05582 · arxiv_version: 1509.05582v1 · doi: 10.48550/arxiv.1509.05582 · pith_short_12: 7LSJ7EGJHHJI · pith_short_16: 7LSJ7EGJHHJINUP2 · pith_short_8: 7LSJ7EGJ

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/7LSJ7EGJHHJINUP23BNNHH2THJ \
  | 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: fae49f90c939d286d1fad85ad39f533a7389bbe1e7c38e7e20da43f3396f3f07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f17904f022f6d5b10956a17a21d09977f78962f6b14b111317bb52eaed025a43",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2015-09-18T10:38:49Z",
    "title_canon_sha256": "d375878424b4714c410089aec2311110f22053362d71965c9d15049ec00bfd12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.05582",
    "kind": "arxiv",
    "version": 1
  }
}