Pith Number

pith:KJQE3UKI

pith:2021:KJQE3UKILE2AE4UNSTQTWATGW4

not attested not anchored not stored refs pending

BlockColdChain: Vaccine Cold Chain Blockchain

Alex B. Vieira, Jos\'e A. M. Nacif, Luiz F. M. Vieira, Marcos A. M. Vieira, Ot\'avio S. Gomes, Ronan D. Mendon\c{c}a

arxiv:2104.14357 v1 · 2021-04-28 · 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{KJQE3UKILE2AE4UNSTQTWATGW4}

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	2026-07-05T02:36:15.670071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52604dd148593402728d94e13b0266b72463720b575fa89fa5fe8ffd46a993ab

Aliases

arxiv: 2104.14357 · arxiv_version: 2104.14357v1 · doi: 10.48550/arxiv.2104.14357 · pith_short_12: KJQE3UKILE2A · pith_short_16: KJQE3UKILE2AE4UN · pith_short_8: KJQE3UKI

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/KJQE3UKILE2AE4UNSTQTWATGW4 \
  | 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: 52604dd148593402728d94e13b0266b72463720b575fa89fa5fe8ffd46a993ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15c7b4885404da2c82df1cbc4f71a04ba9232c30b9b7dfd15b79dd68f484be6e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2021-04-28T12:44:11Z",
    "title_canon_sha256": "9608059f1d61094f23083cdb6b66f6b8f765d075ab4c98c92d79bee9f39cd9a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.14357",
    "kind": "arxiv",
    "version": 1
  }
}