Pith Number

pith:QMPT5UGB

pith:2012:QMPT5UGBPW5MJPZJJCQJGUD6MR

not attested not anchored not stored refs pending

Track estimation with binary derivative observations

Adrien Ickowicz

arxiv:1204.5388 v1 · 2012-04-24 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QMPT5UGBPW5MJPZJJCQJGUD6MR}

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	2026-05-18T03:57:13.367015Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

831f3ed0c17dbac4bf2948a093507e645ed8d961528b72dbe3c7942d14b40fd0

Aliases

arxiv: 1204.5388 · arxiv_version: 1204.5388v1 · doi: 10.48550/arxiv.1204.5388 · pith_short_12: QMPT5UGBPW5M · pith_short_16: QMPT5UGBPW5MJPZJ · pith_short_8: QMPT5UGB

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/QMPT5UGBPW5MJPZJJCQJGUD6MR \
  | 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: 831f3ed0c17dbac4bf2948a093507e645ed8d961528b72dbe3c7942d14b40fd0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a296dd37d0b49a648362a3d354feba7f58f0882695d99559db83a23122dd7d5f",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-04-24T14:35:36Z",
    "title_canon_sha256": "c7025542fabd30bf1f44963eac7cb25b7aebe76754c476e7f0d083a9462f612f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.5388",
    "kind": "arxiv",
    "version": 1
  }
}