Pith Number

pith:NSJWFS6M

pith:2026:NSJWFS6MJAYGBY5JQ7G2EILFXQ

not attested not anchored not stored refs pending

FastContext: Training Efficient Repository Explorer for Coding Agents

Anisha Agarwal, Colin Merkel, Gabriel Ryan, Maoquan Wang, Rao Fu, Shaoqiu Zhang, Sheng Chen, Shengyu Fu, Spandan Grag, Tori Gong, Xiaodong Gu, Yongqiang Yao, Yufan Huang, Yuhang Wang, Yuling Shi

arxiv:2606.14066 v3 · 2026-06-12 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NSJWFS6MJAYGBY5JQ7G2EILFXQ}

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	2026-06-19T16:12:21.539112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c9362cbcc483060e3a987cda22165bc1b04c20b77a1aaa378ed515694bc3a59

Aliases

arxiv: 2606.14066 · arxiv_version: 2606.14066v3 · doi: 10.48550/arxiv.2606.14066 · pith_short_12: NSJWFS6MJAYG · pith_short_16: NSJWFS6MJAYGBY5J · pith_short_8: NSJWFS6M

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/NSJWFS6MJAYGBY5JQ7G2EILFXQ \
  | 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: 6c9362cbcc483060e3a987cda22165bc1b04c20b77a1aaa378ed515694bc3a59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4532fdce14f5679f8d236f5fe4092c33463901379e0d6c6b76bcf5ec5ae157e6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-06-12T03:23:59Z",
    "title_canon_sha256": "99ee1e6d92a126301514dbaf5812fdc92348156cd18a1c786bc73ddadbffc30c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.14066",
    "kind": "arxiv",
    "version": 3
  }
}