Pith Number

pith:WSXGJ5J2

pith:2018:WSXGJ5J2FX3XWHSBKWJG7FJX7G

not attested not anchored not stored refs pending

ELSA: Efficient Long-Term Secure Storage of Large Datasets

Johannes Buchmann, Matthias Geihs

arxiv:1810.11888 v1 · 2018-10-28 · 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{WSXGJ5J2FX3XWHSBKWJG7FJX7G}

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	2026-05-18T00:02:07.143406Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4ae64f53a2df77b1e4155926f9537f99aa3a8bcf6409db563d23528102d9b25

Aliases

arxiv: 1810.11888 · arxiv_version: 1810.11888v1 · doi: 10.48550/arxiv.1810.11888 · pith_short_12: WSXGJ5J2FX3X · pith_short_16: WSXGJ5J2FX3XWHSB · pith_short_8: WSXGJ5J2

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/WSXGJ5J2FX3XWHSBKWJG7FJX7G \
  | 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: b4ae64f53a2df77b1e4155926f9537f99aa3a8bcf6409db563d23528102d9b25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41269c9cf0eb7f6a3983a46e2f55b5fa5426ad8215b3b08e71bbe72cd1029a33",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2018-10-28T21:31:28Z",
    "title_canon_sha256": "86117779ca64d4ed5f72c973c981734cd554ba8d066e9dd230885968c7c98d5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.11888",
    "kind": "arxiv",
    "version": 1
  }
}