OT-2026-000074026
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000074026) never changes.
Identity and time
| Publication number | OT-2026-000074026 · never reused |
|---|---|
| Internal UUID | 01a0ae93-2b8f-7611-aab4-c3187a2d3d67 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:35.679268Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000074026 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1cdfa555abb3b4952d93b62da8fabbe205e947619f54299587927bacb1c5fb8f |
|---|---|
| Markdown | 7e2bf891f63a84c5bf1d6649f20b76f2012d5963f66552f7597d2d9424ef6b37 |
| Publication page | c456e8e9082b542865496190271f34b6866b839667c8d49fdc6a9ac2710745e2 |
| Manifest | 25c4b7a666af9b987ee491b02a3b000a6c38630ff31506dff7c97adff0fade80 |
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 | 681WrcPbTaveHB4zj3brgYlazThjj4uMylbf0duZuan7ETHF/ItJ5vkMCvt4MrWH8D8kZe20KyuDZZJ2aHKlAA== |
| 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
| 2026-09-17T10:20:20.421918Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074026observed c456e8e9082b542865496190271f34b6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:20:20.392853Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074026/manifest.jsonobserved 25c4b7a666af9b987ee491b02a3b000a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:20:20.362950Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074026/publication.mdobserved 7e2bf891f63a84c5bf1d6649f20b76f2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:20:20.339553Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074026/publication.txtobserved 1cdfa555abb3b4952d93b62da8fabbe2...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. |
|---|