Pith Number

pith:FOPH2W5F

pith:2016:FOPH2W5FJ6PERMCIWW4BCCKFXR

not attested not anchored not stored refs pending

On Joining Graphs

Danilo Montesi, Giacomo Bergami, Matteo Magnani

arxiv:1608.05594 v1 · 2016-08-19 · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FOPH2W5FJ6PERMCIWW4BCCKFXR}

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	2026-05-18T01:08:28.106586Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b9e7d5ba54f9e48b048b5b8110945bc6b1742d98b2a16fa9481f7af90e9bae4

Aliases

arxiv: 1608.05594 · arxiv_version: 1608.05594v1 · doi: 10.48550/arxiv.1608.05594 · pith_short_12: FOPH2W5FJ6PE · pith_short_16: FOPH2W5FJ6PERMCI · pith_short_8: FOPH2W5F

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/FOPH2W5FJ6PERMCIWW4BCCKFXR \
  | 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: 2b9e7d5ba54f9e48b048b5b8110945bc6b1742d98b2a16fa9481f7af90e9bae4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c88cd68610478487b69d5ff9b16f0c0c3615f3df8049bfc1bc18e864c22d4de",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2016-08-19T13:09:04Z",
    "title_canon_sha256": "8720a0e1d050d34704e75d46b42155ed8b2014c5a9568b2e4a07fe1240af6522"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.05594",
    "kind": "arxiv",
    "version": 1
  }
}