Pith Number

pith:TI4OQOVI

pith:2019:TI4OQOVI23LA7RSXTFUIUDKAZC

not attested not anchored not stored refs pending

Safely Abstracting Memory Layouts

Alexandros Tasos, Juliana Franco, Sophia Drossopoulou, Susan Eisenbach, Tobias Wrigstad

arxiv:1901.08006 v1 · 2019-01-23 · 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{TI4OQOVI23LA7RSXTFUIUDKAZC}

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	2026-05-17T23:55:39.325728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a38e83aa8d6d60fc65799688a0d40c88cb233b23f129c471f3f547e32bfa7c4

Aliases

arxiv: 1901.08006 · arxiv_version: 1901.08006v1 · doi: 10.48550/arxiv.1901.08006 · pith_short_12: TI4OQOVI23LA · pith_short_16: TI4OQOVI23LA7RSX · pith_short_8: TI4OQOVI

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/TI4OQOVI23LA7RSXTFUIUDKAZC \
  | 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: 9a38e83aa8d6d60fc65799688a0d40c88cb233b23f129c471f3f547e32bfa7c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "779805636927786b292d98bbe2dc5a2944db1fb756c16e6e9d04346ebaea721a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2019-01-23T17:09:28Z",
    "title_canon_sha256": "affdafe176665abffd1cd895cce3365b2b216f42c908252ad51d95190d5b7c91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.08006",
    "kind": "arxiv",
    "version": 1
  }
}