Pith Number

pith:RV7Y6LLR

pith:2026:RV7Y6LLR2TXVWQMYXCTW4AW2BT

not attested not anchored not stored refs pending

HANSEL: Extracting Breadcrumbs from Web Agent Trajectories for Interactive Verification

Daye Nam, Yujin Zhang

arxiv:2606.18671 v1 · 2026-06-17 · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RV7Y6LLR2TXVWQMYXCTW4AW2BT}

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	2026-06-19T16:11:44.164532Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d7f8f2d71d4ef5b4198b8a76e02da0cea056dd18e03d63fb34353522c23dad0

Aliases

arxiv: 2606.18671 · arxiv_version: 2606.18671v1 · doi: 10.48550/arxiv.2606.18671 · pith_short_12: RV7Y6LLR2TXV · pith_short_16: RV7Y6LLR2TXVWQMY · pith_short_8: RV7Y6LLR

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/RV7Y6LLR2TXVWQMYXCTW4AW2BT \
  | 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: 8d7f8f2d71d4ef5b4198b8a76e02da0cea056dd18e03d63fb34353522c23dad0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4c406a8523ee7cceb4b74f7f073cac80d5b7f8dafce7b91805e08ffdc74e502",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2026-06-17T04:13:20Z",
    "title_canon_sha256": "7b0b95670e70da07f73c233785a62ba00fd055ced1212fb1545f89848b2d4093"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.18671",
    "kind": "arxiv",
    "version": 1
  }
}