Pith Number

pith:CDYBHYWC

pith:2017:CDYBHYWCUG5RHV3JGLVCZ6HAPB

not attested not anchored not stored refs pending

Automated verification of dynamic root of trust protocols (long version)

Christian Johansen, Sergiu Bursuc, Shiwei Xu

arxiv:1701.08676 v2 · 2017-01-30 · 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{CDYBHYWCUG5RHV3JGLVCZ6HAPB}

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	2026-05-18T00:10:14.726934Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10f013e2c2a1bb13d76932ea2cf8e0785b42160887d580b44969f4590c5df274

Aliases

arxiv: 1701.08676 · arxiv_version: 1701.08676v2 · doi: 10.48550/arxiv.1701.08676 · pith_short_12: CDYBHYWCUG5R · pith_short_16: CDYBHYWCUG5RHV3J · pith_short_8: CDYBHYWC

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/CDYBHYWCUG5RHV3JGLVCZ6HAPB \
  | 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: 10f013e2c2a1bb13d76932ea2cf8e0785b42160887d580b44969f4590c5df274

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "455c945886b5c4624a14d574c8b155394ebe24ebc1926735d02a712eb6d2e0cd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2017-01-30T16:17:19Z",
    "title_canon_sha256": "69d8e47dee304acf9ee24ddee0502cff735d46f76eba35f82e6aa41b752146fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.08676",
    "kind": "arxiv",
    "version": 2
  }
}