Pith Number

pith:VBDORBTZ

pith:2026:VBDORBTZQL4FD5OUUAOU2CKEXE

not attested not anchored not stored refs pending

Hidden Forgetting in Continual Multimodal Learning: When Accuracy Survives but Grounding Fails

Canran Xiao, Qianyu Chen, Runxuan Tang

arxiv:2607.02020 v1 · 2026-07-02 · 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{VBDORBTZQL4FD5OUUAOU2CKEXE}

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	2026-07-03T01:17:37.277702Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a846e8867982f851f5d4a01d4d0944b92a8c202710c86d75400bf12075f20246

Aliases

arxiv: 2607.02020 · arxiv_version: 2607.02020v1 · doi: 10.48550/arxiv.2607.02020 · pith_short_12: VBDORBTZQL4F · pith_short_16: VBDORBTZQL4FD5OU · pith_short_8: VBDORBTZ

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/VBDORBTZQL4FD5OUUAOU2CKEXE \
  | 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: a846e8867982f851f5d4a01d4d0944b92a8c202710c86d75400bf12075f20246

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41ffafff62be941a066d9127cfcd96e3d7ad49330ffe534cf467258afabcdadc",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-07-02T10:50:37Z",
    "title_canon_sha256": "9dc4595b144e46d1646a1c71b47d9d76a310225d1b7e0ad1c5904a75dc6cda91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.02020",
    "kind": "arxiv",
    "version": 1
  }
}