Pith Number

pith:K7IIPNQG

pith:2026:K7IIPNQGMFMV5M6TSQSRNFUUMI

not attested not anchored not stored refs pending

PolyPresentation: A Multimodal AI Platform for Slide-Aware Iterative Presentation Practice

Chen Chen, Di Zou, Jiannong Cao, Jihao Li, Tianhui Zhang, Zhiyuan Wen

arxiv:2608.12857 v1 · 2026-08-13 · 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{K7IIPNQGMFMV5M6TSQSRNFUUMI}

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	2026-08-14T00:49:15.144437Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57d087b60661595eb3d39425169694623cd881532afefef1d93ca8c44abd2dba

Aliases

arxiv: 2608.12857 · arxiv_version: 2608.12857v1 · doi: 10.48550/arxiv.2608.12857 · pith_short_12: K7IIPNQGMFMV · pith_short_16: K7IIPNQGMFMV5M6T · pith_short_8: K7IIPNQG

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/K7IIPNQGMFMV5M6TSQSRNFUUMI \
  | 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: 57d087b60661595eb3d39425169694623cd881532afefef1d93ca8c44abd2dba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97f48094a20155b10eea468c09d6a63568be4e16d8db4ab5405eb49c77709cb8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2026-08-13T05:57:53Z",
    "title_canon_sha256": "6d98eefc2cd3d66c63b68d73fedba8747246e51289221eab70ba677a6b5198a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.12857",
    "kind": "arxiv",
    "version": 1
  }
}