Pith Number

pith:X3FC62YK

pith:2026:X3FC62YK2AAH4FGHRA2TRR4KBI

not attested not anchored not stored refs pending

Bergson: An Open Source Library for Data Attribution

David Johnston, Girish Gupta, Gon\c{c}alo Paulo, Guillaume Martres, Louis Jaburi, Lucia Quirke, Nora Belrose, Stella Biderman, William Z. Li

arxiv:2606.11660 v1 · 2026-06-10 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X3FC62YK2AAH4FGHRA2TRR4KBI}

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	2026-06-11T01:10:01.483942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

beca2f6b0ad0007e14c7883538c78a0a239adf61640e00dee74914873e24df66

Aliases

arxiv: 2606.11660 · arxiv_version: 2606.11660v1 · doi: 10.48550/arxiv.2606.11660 · pith_short_12: X3FC62YK2AAH · pith_short_16: X3FC62YK2AAH4FGH · pith_short_8: X3FC62YK

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/X3FC62YK2AAH4FGHRA2TRR4KBI \
  | 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: beca2f6b0ad0007e14c7883538c78a0a239adf61640e00dee74914873e24df66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de603c38e071d801b0e89b354e9dcbdae8cad911411bfc6218d44a9ec2e3d7a2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-10T04:56:45Z",
    "title_canon_sha256": "3589d6924e37c005a8312c95df1f350ff33226d8dcfedc4b5cd7ccb540ef1615"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.11660",
    "kind": "arxiv",
    "version": 1
  }
}