Pith Number

pith:EJ53V4IP

pith:2016:EJ53V4IPJMLYI5VLHDAJ67XVSJ

not attested not anchored not stored refs pending

An empirical and theoretical critique of the Euclidean index

Jens Peter Andersen

arxiv:1612.06079 v2 · 2016-12-19 · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EJ53V4IPJMLYI5VLHDAJ67XVSJ}

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	2026-05-18T00:49:22.913434Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

227bbaf10f4b178476ab38c09f7ef5924182ebfb8365eef0bab2c9f6d9c4766c

Aliases

arxiv: 1612.06079 · arxiv_version: 1612.06079v2 · doi: 10.48550/arxiv.1612.06079 · pith_short_12: EJ53V4IPJMLY · pith_short_16: EJ53V4IPJMLYI5VL · pith_short_8: EJ53V4IP

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/EJ53V4IPJMLYI5VLHDAJ67XVSJ \
  | 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: 227bbaf10f4b178476ab38c09f7ef5924182ebfb8365eef0bab2c9f6d9c4766c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d351cc834846c08e7797378e00fe06d51273f31f0183f6ed0aa00ad81433253a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2016-12-19T09:01:39Z",
    "title_canon_sha256": "daec93428979d438c1373deb6d4f6b9da6b579c28f8f0aa65647ca7c784d9573"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.06079",
    "kind": "arxiv",
    "version": 2
  }
}