Pith Number

pith:FI6H6WWB

pith:2019:FI6H6WWBQC2YFZD3USKZWXS4MR

not attested not anchored not stored refs pending

Towards Gradual Checking of Reference Capabilities

Isaac Oscar Gariano, James Noble, Kiko Fernandez-Reyes, Tobias Wrigstad

arxiv:1909.01465 v2 · 2019-09-03 · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FI6H6WWBQC2YFZD3USKZWXS4MR}

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	2026-07-05T00:12:06.351935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a3c7f5ac180b582e47ba4959b5e5c6478d1cc60fe70614a07994593c9b0e65e

Aliases

arxiv: 1909.01465 · arxiv_version: 1909.01465v2 · doi: 10.48550/arxiv.1909.01465 · pith_short_12: FI6H6WWBQC2Y · pith_short_16: FI6H6WWBQC2YFZD3 · pith_short_8: FI6H6WWB

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/FI6H6WWBQC2YFZD3USKZWXS4MR \
  | 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: 2a3c7f5ac180b582e47ba4959b5e5c6478d1cc60fe70614a07994593c9b0e65e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7da1bf301df3690a5d6333cf81185395143bd56c2ca999babee373193b2541dc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2019-09-03T21:37:55Z",
    "title_canon_sha256": "c2b4258961737d3abf33ac86053c6d8205b3d0841c6ee7a268a650e356439c8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.01465",
    "kind": "arxiv",
    "version": 2
  }
}