pith. sign in
Pith Number

pith:UUGDSZQN

pith:2019:UUGDSZQNBFRZXQD6V6KMKFX5I5
not attested not anchored not stored refs pending

Distributed Access Control with Blockchain

Albert Cabellos, Albert Lopez, Alberto Rodriguez-Natal, Fabio Maino, Jordi Paillisse, Jordi Subira, Vina Ermagan

arxiv:1901.03568 v1 · 2019-01-11 · cs.NI · cs.CR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{UUGDSZQNBFRZXQD6V6KMKFX5I5}

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 2026-05-17T23:56:30.908876Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a50c39660d09639bc07eaf94c516fd4768731e6924145c8e5abe3941adc83ab4

Aliases

arxiv: 1901.03568 · arxiv_version: 1901.03568v1 · doi: 10.48550/arxiv.1901.03568 · pith_short_12: UUGDSZQNBFRZ · pith_short_16: UUGDSZQNBFRZXQD6 · pith_short_8: UUGDSZQN
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/UUGDSZQNBFRZXQD6V6KMKFX5I5 \
  | 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: a50c39660d09639bc07eaf94c516fd4768731e6924145c8e5abe3941adc83ab4
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "5ab489a599f098e7f48a080fbcebc7b3ae66ff38b4bf443a5a704b4c0889f1f1",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2019-01-11T12:15:31Z",
    "title_canon_sha256": "721650c676839e1b265962cc8ca00e10d5a54bc3c92eb6b4242517aab0e7d1f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.03568",
    "kind": "arxiv",
    "version": 1
  }
}