Pith Number

pith:4TREPUPU

pith:2019:4TREPUPUUSFEXHO6DTBO2MHTE6

not attested not anchored not stored refs pending

Homogenousness and Specificity

Karl Schlechta

arxiv:1902.09214 v3 · 2019-02-25 · 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{4TREPUPUUSFEXHO6DTBO2MHTE6}

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	2026-05-17T23:51:13.793435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4e247d1f4a48a4b9dde1cc2ed30f327b9246a2ea38d3918f030136575f5c6e6

Aliases

arxiv: 1902.09214 · arxiv_version: 1902.09214v3 · doi: 10.48550/arxiv.1902.09214 · pith_short_12: 4TREPUPUUSFE · pith_short_16: 4TREPUPUUSFEXHO6 · pith_short_8: 4TREPUPU

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/4TREPUPUUSFEXHO6DTBO2MHTE6 \
  | 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: e4e247d1f4a48a4b9dde1cc2ed30f327b9246a2ea38d3918f030136575f5c6e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ba102c31ec4e500c59609efcc7f65b02b4bdd2f0f94a8a4d811c0465ef8ca92",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2019-02-25T11:56:36Z",
    "title_canon_sha256": "d78524ab8095ded6c0e05054d435b26af610b57c8de9f8e41b9e502aae7618f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.09214",
    "kind": "arxiv",
    "version": 3
  }
}