Pith Number

pith:S6E45DKC

pith:2017:S6E45DKCXKPWW3QI5LYAF76WEZ

not attested not anchored not stored refs pending

Optimal Learning under Robustness and Time-Consistency

Larry G. Epstein, Shaolin Ji

arxiv:1708.01890 v2 · 2017-08-06 · q-fin.EC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S6E45DKCXKPWW3QI5LYAF76WEZ}

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	2026-05-17T23:52:08.427732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9789ce8d42ba9f6b6e08eaf002ffd6267171c21d0d8e8b1b0a4400323b8a48bd

Aliases

arxiv: 1708.01890 · arxiv_version: 1708.01890v2 · doi: 10.48550/arxiv.1708.01890 · pith_short_12: S6E45DKCXKPW · pith_short_16: S6E45DKCXKPWW3QI · pith_short_8: S6E45DKC

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/S6E45DKCXKPWW3QI5LYAF76WEZ \
  | 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: 9789ce8d42ba9f6b6e08eaf002ffd6267171c21d0d8e8b1b0a4400323b8a48bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d4fce13bf97d8260fefade7fb577d477b6eb3abe0a956fc8a1dae4abce11654",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.EC",
    "submitted_at": "2017-08-06T13:44:10Z",
    "title_canon_sha256": "2684bf6e612e58774045aa2fcd0d9a8daa36fdfc563cddd478af5659edd8927a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.01890",
    "kind": "arxiv",
    "version": 2
  }
}