Pith Number

pith:HECEXUA4

pith:2026:HECEXUA4ES2MYBDJWK75STQREN

not attested not anchored not stored refs pending

PREFAIL: Identifying Precursors to Failures in Robotic Lift-and-Place Tasks to Improve Task Execution Performance

Daniel Seita, Rajas Chitale, Rutvik Patel, Satyandra K. Gupta, Zeyu Shangguan

arxiv:2607.16921 v1 · 2026-07-18 · cs.RO · 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{HECEXUA4ES2MYBDJWK75STQREN}

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	2026-07-21T01:21:05.604968Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39044bd01c24b4cc0469b2bfd94e112378bcea14e11fcbd4be8cce95dc751d86

Aliases

arxiv: 2607.16921 · arxiv_version: 2607.16921v1 · doi: 10.48550/arxiv.2607.16921 · pith_short_12: HECEXUA4ES2M · pith_short_16: HECEXUA4ES2MYBDJ · pith_short_8: HECEXUA4

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/HECEXUA4ES2MYBDJWK75STQREN \
  | 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: 39044bd01c24b4cc0469b2bfd94e112378bcea14e11fcbd4be8cce95dc751d86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "280a028d43fa280f29c78a69b6621c2a720089a2620ec725a10dc43b43b594e1",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2026-07-18T18:25:58Z",
    "title_canon_sha256": "4ffa23eecd8bf456217992dac96641a913d767fe8ee0bfc6af988ceee85a5537"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.16921",
    "kind": "arxiv",
    "version": 1
  }
}