Pith Number

pith:DSLERXNY

pith:2014:DSLERXNYDBXEBBXSZ4KFHCVWL5

not attested not anchored not stored refs pending

Beta Reduction is Invariant, Indeed (Long Version)

Beniamino Accattoli, Ugo Dal Lago

arxiv:1405.3311 v1 · 2014-05-13 · 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{DSLERXNYDBXEBBXSZ4KFHCVWL5}

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	2026-05-18T02:51:56.428548Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c9648ddb8186e4086f2cf14538ab65f644c36c09f9f136c88ea1abbc2202a30

Aliases

arxiv: 1405.3311 · arxiv_version: 1405.3311v1 · doi: 10.48550/arxiv.1405.3311 · pith_short_12: DSLERXNYDBXE · pith_short_16: DSLERXNYDBXEBBXS · pith_short_8: DSLERXNY

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/DSLERXNYDBXEBBXSZ4KFHCVWL5 \
  | 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: 1c9648ddb8186e4086f2cf14538ab65f644c36c09f9f136c88ea1abbc2202a30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19fa5656ae1b6ef063ef9a44c3fa58cdc26a6caa55318ec8ca05c933da577201",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2014-05-13T21:23:58Z",
    "title_canon_sha256": "62513470e143cd700a7f6b43f614fa7f3104786d69139eaf059bdc043855ae1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.3311",
    "kind": "arxiv",
    "version": 1
  }
}