Pith Number

pith:DIKI7AGI

pith:2026:DIKI7AGI6LTBKW7TQIZZEYBRLV

not attested not anchored not stored refs pending

Branching out: Prognostics-Based Replacement Policies for Series Systems

Daniel Koutas, Daniel Straub

arxiv:2607.27899 v1 · 2026-07-30 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DIKI7AGI6LTBKW7TQIZZEYBRLV}

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	2026-07-31T01:34:45.258734Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

1a148f80c8f2e6155bf382339260315d7e29de27303d80fbff9286149ebf4005

Aliases

arxiv: 2607.27899 · arxiv_version: 2607.27899v1 · doi: 10.48550/arxiv.2607.27899 · pith_short_12: DIKI7AGI6LTB · pith_short_16: DIKI7AGI6LTBKW7T · pith_short_8: DIKI7AGI

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/DIKI7AGI6LTBKW7TQIZZEYBRLV \
  | 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: 1a148f80c8f2e6155bf382339260315d7e29de27303d80fbff9286149ebf4005

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e72df5c7be02ceee968207149069cefd0bc5f0d2d1d3ca4365e6c555dfebab4a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2026-07-30T09:14:58Z",
    "title_canon_sha256": "dc5121a6c08596b32b142bde5eeccd8303ac59bfe7ce75c0a0f5cd62442e4898"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.27899",
    "kind": "arxiv",
    "version": 1
  }
}