OT-2026-000071556
Publication integrity record
Single bellows cup vacuum gripper, single stage ejector, vented before set-down, on a tool changer
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-2026-000071556) never changes.
Identity and time
| Publication number | OT-2026-000071556 · never reused |
|---|---|
| Internal UUID | 01a0ae91-e0ee-7243-aa3c-6c4c1fac98b6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:11.039722Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000071556 |
| Status | PUBLIC |
Content hashes
| Canonical text | ecf4d75267360fbd603e16a63febf75e13cda7de65d2dea028e0dfe9465b6ec9 |
|---|---|
| Markdown | e51770b30a8d024fa836c95bc93200b5bb16798053a13b1bc63576ad4049eb79 |
| Publication page | f7f2d49b03197889c91d703c511ec155bb8370276588aa28d09d5c38e01be05b |
| Manifest | 68b4133dcdc22acd7f14bd451232841ea6f78169c4596fea40fcf93d6c87ed19 |
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 | /Iyf5e3C+ajZou7VHpQjhcQklH56dIdSKYkrvW/9DqNnEQkwgE33F/sw7Cg+DsSs1i+a+mpGnGBEGhszLw7FBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:24:56.871346Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071556observed f7f2d49b03197889c91d703c511ec155...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:24:56.853152Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071556/manifest.jsonobserved 68b4133dcdc22acd7f14bd451232841e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:24:56.834732Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071556/publication.mdobserved e51770b30a8d024fa836c95bc93200b5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:24:56.817692Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071556/publication.txtobserved ecf4d75267360fbd603e16a63febf75e...fetched by instance-3.rotem.ai from 34.69.0.72, 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
| Custody package | Pending Custody packages are produced weekly. |
|---|