OT-2026-000029103
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, pulsed blow-off 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-2026-000029103) never changes.
Identity and time
| Publication number | OT-2026-000029103 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9f-7001-bd76-4ead08060862 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029103 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4394a64fb905a45d3369daa389f22cd73557f00094ff0a790e9f029233c2b45c |
|---|---|
| Markdown | 80778d5f2c9cd0181e3d280b9f4db307d1ee6cca59b2b827e4c835bc081008e7 |
| Publication page | 88e144aaae690b74e59d02d25d33bf96685f9cb4fba9c1f1fd023b18af93d0bd |
| Manifest | 76a3ecd7637cc33a0d6cfff53be139402ea5600a689b481b5b708e4a28d46b83 |
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 | 1EVCwf2Ayrw7HYpMYSzHoRJ57DAJnLPS3zLIqNs1R6ekRqrDj+QQwIvxBKZtYIlpIpqiqFupp8vIoaqYxdUsDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T08:20:49.533930Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029103observed 88e144aaae690b74e59d02d25d33bf96...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:49.512969Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029103/manifest.jsonobserved 76a3ecd7637cc33a0d6cfff53be13940...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:49.494802Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029103/publication.mdobserved 80778d5f2c9cd0181e3d280b9f4db307...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:49.476863Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029103/publication.txtobserved 4394a64fb905a45d3369daa389f22cd7...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. |
|---|