Pith Number

pith:DRSMKILD

pith:2025:DRSMKILDOQN33GPIDELN5M67MF

not attested not anchored not stored refs pending

What is digital about abstraction?

Bernhard Rieder

arxiv:2508.18181 v1 · 2025-08-25 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DRSMKILDOQN33GPIDELN5M67MF}

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	2026-07-05T11:58:55.016821Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c64c52163741bbd99e81916deb3df617ba4d8e504a5d6d5dbf282874d66bd8e

Aliases

arxiv: 2508.18181 · arxiv_version: 2508.18181v1 · doi: 10.48550/arxiv.2508.18181 · pith_short_12: DRSMKILDOQN3 · pith_short_16: DRSMKILDOQN33GPI · pith_short_8: DRSMKILD

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/DRSMKILDOQN33GPIDELN5M67MF \
  | 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: 1c64c52163741bbd99e81916deb3df617ba4d8e504a5d6d5dbf282874d66bd8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e276850f2aaa26fdd4dce568d417bbef955380f454de4947a8c0b3f8a2a3743",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2025-08-25T16:35:07Z",
    "title_canon_sha256": "d4309ae089e464cb367ec1712604540304283827076f1d7b83ae083a1eabc8df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.18181",
    "kind": "arxiv",
    "version": 1
  }
}