OT-2026-000003336
Publication integrity record
End effectors with individually positionable vacuum cups
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000003336) never changes.
Identity and time
| Publication number | OT-2026-000003336 · never reused |
|---|---|
| Internal UUID | 01a0a6b2-b538-7580-8db5-ef3eb29f2ba9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T20:12:04.793234Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003336 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3109f08bc1dec352f580a2479e22f576361f0d13cb0d3558c7bc7fdd25d22e35 |
|---|---|
| Markdown | 425b915ceaf5eb3e4b8c07a028e5521022087e4f60bf9db87e2c01853f8f48b8 |
| Publication page | f155b86464f71e7e0e24e7e447713597d7025eb3000d879a901ba658a5be3b1e |
| Manifest | e905a63c27be14050bae2d671aa709baa89db9c4734465ef88d0d0740c845550 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | I0LOj0aWyaP/KBkTyaAPSAwmYF18pXF7f4CkufptmXwsFpeTlZ77hUkke8my5ZUrwwE9I2TkD3nZeAGXaQJ3Cw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T20:27:02Z batch OT-TS-2026-W38-005 · RFC 3161 token · inclusion proof root 0d980c01ea01b2d7f69845e24a85320c... |
|---|
Independent retrieval
| 2026-09-15T20:20:08.161117Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003336observed f155b86464f71e7e0e24e7e447713597...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:20:08.133879Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003336/manifest.jsonobserved e905a63c27be14050bae2d671aa709ba...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:20:08.113510Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003336/publication.txtobserved 3109f08bc1dec352f580a2479e22f576...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|