Pith Number

pith:RYBKWSKW

pith:2011:RYBKWSKW3ACHUX4EIUXIM557PF

not attested not anchored not stored refs pending

Feature-Aware Verification

Alexander von Rhein, Dirk Beyer, Hendrik Speidel, Philipp Wendler, Sven Apel

arxiv:1110.0021 v1 · 2011-09-30 · cs.SE · cs.PL

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

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	2026-05-18T02:21:35.778980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e02ab4956d8047a5f84452e8677bf797729eb88737fc98a7f2d22788b2d4e82

Aliases

arxiv: 1110.0021 · arxiv_version: 1110.0021v1 · doi: 10.48550/arxiv.1110.0021 · pith_short_12: RYBKWSKW3ACH · pith_short_16: RYBKWSKW3ACHUX4E · pith_short_8: RYBKWSKW

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/RYBKWSKW3ACHUX4EIUXIM557PF \
  | 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: 8e02ab4956d8047a5f84452e8677bf797729eb88737fc98a7f2d22788b2d4e82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4db159489338b4a2dc5844e7a4c7ecd0516191581203775ae90bf46fd28822ff",
    "cross_cats_sorted": [
      "cs.PL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2011-09-30T20:46:35Z",
    "title_canon_sha256": "915bc70737aec494d91c9a1cf35462c0ca235d27d6fd358f427b6559444a784c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.0021",
    "kind": "arxiv",
    "version": 1
  }
}