Pith Number

pith:7GGGQEG2

pith:2019:7GGGQEG2ZWWJMS4SDD2VEL7BDE

not attested not anchored not stored refs pending

Visual Abstraction

Ivan Viola, Min Chen, Tobias Isenberg

arxiv:1910.03310 v2 · 2019-10-08 · cs.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7GGGQEG2ZWWJMS4SDD2VEL7BDE}

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	2026-07-05T01:27:43.570036Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f98c6810dacdac964b9218f5522fe11939fbd14fddfd218d0c29acc292bf4f8b

Aliases

arxiv: 1910.03310 · arxiv_version: 1910.03310v2 · doi: 10.48550/arxiv.1910.03310 · pith_short_12: 7GGGQEG2ZWWJ · pith_short_16: 7GGGQEG2ZWWJMS4S · pith_short_8: 7GGGQEG2

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/7GGGQEG2ZWWJMS4SDD2VEL7BDE \
  | 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: f98c6810dacdac964b9218f5522fe11939fbd14fddfd218d0c29acc292bf4f8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "307b889b4fbb46d4d563734727580852775a3842454b0cf260487af2b81f0b7c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2019-10-08T10:00:52Z",
    "title_canon_sha256": "b5ddf401f735f2395310140a71f04a593121c3bf98348b8021a46b408f67d6f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.03310",
    "kind": "arxiv",
    "version": 2
  }
}