Pith Number

pith:MPH4OTXP

pith:2017:MPH4OTXPJH2NII4OVYIHYHGPXQ

not attested not anchored not stored refs pending

Instant restore after a media failure

Caetano Sauer, Goetz Graefe, Theo H\"arder

arxiv:1702.08042 v1 · 2017-02-26 · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MPH4OTXPJH2NII4OVYIHYHGPXQ}

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	2026-05-18T00:49:56.223206Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63cfc74eef49f4d4238eae107c1ccfbc127366702aa87ef1c4b9a4b9795f5599

Aliases

arxiv: 1702.08042 · arxiv_version: 1702.08042v1 · doi: 10.48550/arxiv.1702.08042 · pith_short_12: MPH4OTXPJH2N · pith_short_16: MPH4OTXPJH2NII4O · pith_short_8: MPH4OTXP

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/MPH4OTXPJH2NII4OVYIHYHGPXQ \
  | 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: 63cfc74eef49f4d4238eae107c1ccfbc127366702aa87ef1c4b9a4b9795f5599

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "438ee64cbb211e3d280c15ccf2b095f371704742b9f37f9c87fa7c69dbbbe04e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2017-02-26T14:58:04Z",
    "title_canon_sha256": "e5adabd5b3e683cd97f349083f941876844cd6f47322ff797c8782661038a84d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.08042",
    "kind": "arxiv",
    "version": 1
  }
}