Pith Number

pith:5H6IPQUU

pith:2018:5H6IPQUUQ67M4DVSHBBIQ4MZT2

not attested not anchored not stored refs pending

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Ciriaco Andrea D'Angelo, Giovanni Abramo

arxiv:1810.12649 v1 · 2018-10-30 · 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{5H6IPQUUQ67M4DVSHBBIQ4MZT2}

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	2026-05-18T00:01:56.394549Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9fc87c29487bece0eb238428871999eb6828aa1bb2c20990e20142f27a5d6c0

Aliases

arxiv: 1810.12649 · arxiv_version: 1810.12649v1 · doi: 10.48550/arxiv.1810.12649 · pith_short_12: 5H6IPQUUQ67M · pith_short_16: 5H6IPQUUQ67M4DVS · pith_short_8: 5H6IPQUU

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/5H6IPQUUQ67M4DVSHBBIQ4MZT2 \
  | 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: e9fc87c29487bece0eb238428871999eb6828aa1bb2c20990e20142f27a5d6c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e77fab09cc38bd2948e0711a3cf7ae4fdc8efc9c6393c99d6bcdd30946df02c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2018-10-30T10:59:43Z",
    "title_canon_sha256": "2fea989483e0c64186549a002b25524bfe8774f7b32ac66e4a7372dfdd980e54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.12649",
    "kind": "arxiv",
    "version": 1
  }
}