Pith Number

pith:NSRV4CSG

pith:2019:NSRV4CSGPRQY3R4MF3KP2D2YDA

not attested not anchored not stored refs pending

A security steganography scheme based on hdr image

Wei Gao, Yan Qiao, Yongqing Huo

arxiv:1902.10943 v1 · 2019-02-28 · 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{NSRV4CSGPRQY3R4MF3KP2D2YDA}

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	2026-05-17T23:52:26.303862Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ca35e0a467c618dc78c2ed4fd0f58182ea2d02faee8c5344b5cb6f13fa3d554

Aliases

arxiv: 1902.10943 · arxiv_version: 1902.10943v1 · doi: 10.48550/arxiv.1902.10943 · pith_short_12: NSRV4CSGPRQY · pith_short_16: NSRV4CSGPRQY3R4M · pith_short_8: NSRV4CSG

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/NSRV4CSGPRQY3R4MF3KP2D2YDA \
  | 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: 6ca35e0a467c618dc78c2ed4fd0f58182ea2d02faee8c5344b5cb6f13fa3d554

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4fddea018f6e8b74f0f08b6a94f88a9f649d983a8f3b8397d4ac1ffebb51b78",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-02-28T08:05:33Z",
    "title_canon_sha256": "e22413723d7b1ca214cb991b598d837fde236b7a2e174779fece6c279527bc38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.10943",
    "kind": "arxiv",
    "version": 1
  }
}