Pith Number

pith:H5NE7VE2

pith:2017:H5NE7VE2RMAK7RRBAWE2Y75WUV

not attested not anchored not stored refs pending

Interactive Proof Presentations with Cobra

Christoph L\"uth (DFKI, Martin Ring (DFKI), Universit\"at Bremen)

arxiv:1701.07127 v1 · 2017-01-25 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H5NE7VE2RMAK7RRBAWE2Y75WUV}

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	2026-05-18T00:52:07.413087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f5a4fd49a8b00afc6210589ac7fb6a5402c6567788f2bb667782cc6f860989d

Aliases

arxiv: 1701.07127 · arxiv_version: 1701.07127v1 · doi: 10.48550/arxiv.1701.07127 · pith_short_12: H5NE7VE2RMAK · pith_short_16: H5NE7VE2RMAK7RRB · pith_short_8: H5NE7VE2

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/H5NE7VE2RMAK7RRBAWE2Y75WUV \
  | 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: 3f5a4fd49a8b00afc6210589ac7fb6a5402c6567788f2bb667782cc6f860989d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09c67745a86f687cba554a323ff78d701d8310a2b2acf36c2e0c10828a812845",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2017-01-25T01:21:43Z",
    "title_canon_sha256": "8e278509e8d6ba2ee446f86fb65b1209a80c772b99f380bef01195c2a65eaa07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.07127",
    "kind": "arxiv",
    "version": 1
  }
}