Pith Number

pith:YYTM4THR

pith:2011:YYTM4THRIFXYZ47Z6N4ZVE6UFX

not attested not anchored not stored refs pending

Introducing Sourcements

G.P.A.J. Delen, J.A. Bergstra, S.F.M. van Vlijmen

arxiv:1107.4684 v1 · 2011-07-23 · cs.SE · cs.GL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YYTM4THRIFXYZ47Z6N4ZVE6UFX}

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	2026-05-18T04:17:02.040536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c626ce4cf1416f8cf3f9f3799a93d42dd33c782747e3d7acd3777c38e38818f6

Aliases

arxiv: 1107.4684 · arxiv_version: 1107.4684v1 · doi: 10.48550/arxiv.1107.4684 · pith_short_12: YYTM4THRIFXY · pith_short_16: YYTM4THRIFXYZ47Z · pith_short_8: YYTM4THR

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/YYTM4THRIFXYZ47Z6N4ZVE6UFX \
  | 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: c626ce4cf1416f8cf3f9f3799a93d42dd33c782747e3d7acd3777c38e38818f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7f2e8d0c1f3afceb640ace621bab2486bbbd9df1a6e9841d5dcf994dbd393a4",
    "cross_cats_sorted": [
      "cs.GL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2011-07-23T12:12:12Z",
    "title_canon_sha256": "533fcbe6160248ba559f3591aeb9015f5f251ecf9c1c818ef7d84fdf4a14f74f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.4684",
    "kind": "arxiv",
    "version": 1
  }
}