Pith Number

pith:52XSBMP5

pith:2013:52XSBMP5WEGJ6FGDCDLOBXHWHP

not attested not anchored not stored refs pending

Computational Aspects of the Calculus of Structure

M\'ario S. Alvim

arxiv:1301.4910 v1 · 2013-01-21 · cs.LO · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{52XSBMP5WEGJ6FGDCDLOBXHWHP}

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	2026-05-18T03:35:55.182970Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eeaf20b1fdb10c9f14c310d6e0dcf63bd44f53ddb09e6e631267b9d63b048e75

Aliases

arxiv: 1301.4910 · arxiv_version: 1301.4910v1 · doi: 10.48550/arxiv.1301.4910 · pith_short_12: 52XSBMP5WEGJ · pith_short_16: 52XSBMP5WEGJ6FGD · pith_short_8: 52XSBMP5

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/52XSBMP5WEGJ6FGDCDLOBXHWHP \
  | 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: eeaf20b1fdb10c9f14c310d6e0dcf63bd44f53ddb09e6e631267b9d63b048e75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78881fcdec7d240df1991002b7c6eb9212b32c3f927525b34cfa7b2415852d36",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2013-01-21T16:19:00Z",
    "title_canon_sha256": "a385ec8754d697877655c5ebfb3fa772b11f2df32c0f0d59b1e9dfe99ddca7e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4910",
    "kind": "arxiv",
    "version": 1
  }
}