Pith Number

pith:TUOL2DEU

pith:2021:TUOL2DEUSKEGPHUIDGCTX2ZQCN

not attested not anchored not stored refs pending

Organizational Artifacts of Code Development

Fred Morstatter, Nichola Lubold, Parisa Kaghazgaran

arxiv:2105.14637 v1 · 2021-05-30 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TUOL2DEUSKEGPHUIDGCTX2ZQCN}

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	2026-07-05T02:44:39.562800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d1cbd0c949288679e8819853beb30136c45b6bb07776a399c25e5eb39bfbc67

Aliases

arxiv: 2105.14637 · arxiv_version: 2105.14637v1 · doi: 10.48550/arxiv.2105.14637 · pith_short_12: TUOL2DEUSKEG · pith_short_16: TUOL2DEUSKEGPHUI · pith_short_8: TUOL2DEU

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/TUOL2DEUSKEGPHUIDGCTX2ZQCN \
  | 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: 9d1cbd0c949288679e8819853beb30136c45b6bb07776a399c25e5eb39bfbc67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec8c120718f44fa898fd7013d9a634a3aef4c89de663e36554d5e512946a0c12",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2021-05-30T22:04:09Z",
    "title_canon_sha256": "b16bf762918640b895d908165cb45f5e9959168cf56251b51d6bbff355daa2d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.14637",
    "kind": "arxiv",
    "version": 1
  }
}