Pith Number

pith:DOX2JW5W

pith:2019:DOX2JW5WEMSDK5ESZRUZNWG7ND

not attested not anchored not stored refs pending

Why Couldn't You do that? Explaining Unsolvability of Classical Planning Problems in the Presence of Plan Advice

David Smith, Sarath Sreedharan, Siddharth Srivastava, Subbarao Kambhampati

arxiv:1903.08218 v1 · 2019-03-19 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DOX2JW5WEMSDK5ESZRUZNWG7ND}

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	2026-05-17T23:50:50.020228Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bafa4dbb62324357492cc6996d8df68f82a00f84550143b15daac3cf6471df8

Aliases

arxiv: 1903.08218 · arxiv_version: 1903.08218v1 · doi: 10.48550/arxiv.1903.08218 · pith_short_12: DOX2JW5WEMSD · pith_short_16: DOX2JW5WEMSDK5ES · pith_short_8: DOX2JW5W

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/DOX2JW5WEMSDK5ESZRUZNWG7ND \
  | 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: 1bafa4dbb62324357492cc6996d8df68f82a00f84550143b15daac3cf6471df8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f23c0e2b034166aabd3e6bfd9d991e4470f125f69b2502951a0dc7ea98c42654",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2019-03-19T19:08:32Z",
    "title_canon_sha256": "504c895ff53cc6c5353073cc003f1eb6f37aa897bde2e18c375a74c2f38f5d73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.08218",
    "kind": "arxiv",
    "version": 1
  }
}