Pith Number

pith:FP7GTWIC

pith:2018:FP7GTWIC5I3K4LTTXXS64QYNI3

not attested not anchored not stored refs pending

Trend without hiccups: a Kalman filter approach

Eric Benhamou

arxiv:1808.03297 v1 · 2018-07-13 · q-fin.TR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FP7GTWIC5I3K4LTTXXS64QYNI3}

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	2026-05-18T00:08:27.725338Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bfe69d902ea36ae2e73bde5ee430d46fc60786cb12811b274fa2d588ca7ce55

Aliases

arxiv: 1808.03297 · arxiv_version: 1808.03297v1 · doi: 10.48550/arxiv.1808.03297 · pith_short_12: FP7GTWIC5I3K · pith_short_16: FP7GTWIC5I3K4LTT · pith_short_8: FP7GTWIC

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/FP7GTWIC5I3K4LTTXXS64QYNI3 \
  | 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: 2bfe69d902ea36ae2e73bde5ee430d46fc60786cb12811b274fa2d588ca7ce55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0c471c13b1cc2a8131bfa82a26ba82f6315d3e20b8df81aa9f12371f68e45cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.TR",
    "submitted_at": "2018-07-13T16:56:38Z",
    "title_canon_sha256": "6db1262d4c5f5ba9770362f78e6bda21ab0e886d694aaa70e119f43fafdcdf9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.03297",
    "kind": "arxiv",
    "version": 1
  }
}