pith. sign in
Pith Number

pith:U3DMZYWN

pith:2015:U3DMZYWNXDN76YG6LPOQY3P3IM
not attested not anchored not stored refs pending

Untangling Fine-Grained Code Changes

Alberto Bacchelli, Damien Cassou (INRIA Lille - Nord Europe), Georgios Gousios, Mart\'in Dias (INRIA Lille - Nord Europe), St\'ephane Ducasse (INRIA Lille - Nord Europe)

arxiv:1502.06757 v1 · 2015-02-24 · cs.SE

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{U3DMZYWNXDN76YG6LPOQY3P3IM}

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 2026-05-18T02:26:28.702986Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a6c6cce2cdb8dbff60de5bdd0c6dfb432cf12dfc987a6f80395ed69e947550b2

Aliases

arxiv: 1502.06757 · arxiv_version: 1502.06757v1 · doi: 10.48550/arxiv.1502.06757 · pith_short_12: U3DMZYWNXDN7 · pith_short_16: U3DMZYWNXDN76YG6 · pith_short_8: U3DMZYWN
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/U3DMZYWNXDN76YG6LPOQY3P3IM \
  | 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: a6c6cce2cdb8dbff60de5bdd0c6dfb432cf12dfc987a6f80395ed69e947550b2
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "741a09853368d44f5bef573a6afda6539884fc1d7ff9833494c27a0407a42adc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2015-02-24T10:50:13Z",
    "title_canon_sha256": "5f9b04fe2b2da76bfc466ed226bfdcf98fc2f9ed707d967008db2f509d786128"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.06757",
    "kind": "arxiv",
    "version": 1
  }
}