Pith Number

pith:REUZYE7J

pith:2019:REUZYE7JUCY6TT7Q5TNPXMIVZO

not attested not anchored not stored refs pending

Cold Storage Data Archives: More Than Just a Bunch of Tapes

Bunjamin Memishi, Marcus Paradies, Raja Appuswamy

arxiv:1904.04736 v1 · 2019-04-09 · cs.DB · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{REUZYE7JUCY6TT7Q5TNPXMIVZO}

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	2026-05-17T23:48:58.282069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89299c13e9a0b1e9cff0ecdafbb115cbb3dfd36e586ddd87875b7c419098fcc2

Aliases

arxiv: 1904.04736 · arxiv_version: 1904.04736v1 · doi: 10.48550/arxiv.1904.04736 · pith_short_12: REUZYE7JUCY6 · pith_short_16: REUZYE7JUCY6TT7Q · pith_short_8: REUZYE7J

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/REUZYE7JUCY6TT7Q5TNPXMIVZO \
  | 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: 89299c13e9a0b1e9cff0ecdafbb115cbb3dfd36e586ddd87875b7c419098fcc2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2c9cd4fa0a9222039bbc1e8650f311490031b2626638c19b5b2ad921367a8e1",
    "cross_cats_sorted": [
      "cs.DC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2019-04-09T15:36:06Z",
    "title_canon_sha256": "303c4683593caebfcfec6e2ceda8aab22b4f9d184e3410c695213348c4f2f683"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.04736",
    "kind": "arxiv",
    "version": 1
  }
}