Pith Number

pith:3IFTUFLP

pith:2021:3IFTUFLPKPJFCHXV23QNFIE74O

not attested not anchored not stored refs pending

Modular Interactive Video Object Segmentation: Interaction-to-Mask, Propagation and Difference-Aware Fusion

Chi-Keung Tang, Ho Kei Cheng, Yu-Wing Tai

arxiv:2103.07941 v3 · 2021-03-14 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3IFTUFLPKPJFCHXV23QNFIE74O}

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	2026-07-05T02:24:54.867680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da0b3a156f53d2511ef5d6e0d2a09fe3be82be94962f72f8bd811e224db6a01a

Aliases

arxiv: 2103.07941 · arxiv_version: 2103.07941v3 · doi: 10.48550/arxiv.2103.07941 · pith_short_12: 3IFTUFLPKPJF · pith_short_16: 3IFTUFLPKPJFCHXV · pith_short_8: 3IFTUFLP

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/3IFTUFLPKPJFCHXV23QNFIE74O \
  | 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: da0b3a156f53d2511ef5d6e0d2a09fe3be82be94962f72f8bd811e224db6a01a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "949215e482c08c41f62b108c3a4003b902fd9871a87206fd2e57fa16a05a4ec2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-03-14T14:39:08Z",
    "title_canon_sha256": "4f6de1bc336a7d1f91099b68b11a0b40699822441337105e0d5aa1ebabb37e9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.07941",
    "kind": "arxiv",
    "version": 3
  }
}