OT-2026-000052956
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000052956) never changes.
Identity and time
| Publication number | OT-2026-000052956 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a430-768b-ad89-623af167371e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:43.524202Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052956 |
| Status | PUBLIC |
Content hashes
| Canonical text | 69f0991ab5d17c7ca8faf9af997b62b914f9b7fc23848cad07ab66725bfe126a |
|---|---|
| Markdown | fc871212e75e95d202ed10ce7ebd43d52446ab05cd9fa2f987b9157569c96767 |
| Publication page | 738353ea86caaf8a71e517acb5416e1ecc1ab1db2b4afd4d377511bb2eaf54d1 |
| Manifest | 651d3d9648b804bf02011a9ff19de51c5a22cd1cb61b795eaf1f480a889eb94f |
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 | iSYC0o3mNPeizS47iPA3mRMQ93D7GaAGgJD6irhFe5LQ7RLYXRCQxrCQAL1ChxE+SA+Kpnf6RhHhwQkRzHLZAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:56:38.420795Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052956observed 738353ea86caaf8a71e517acb5416e1e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:56:38.402903Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052956/manifest.jsonobserved 651d3d9648b804bf02011a9ff19de51c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:38.385433Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052956/publication.mdobserved fc871212e75e95d202ed10ce7ebd43d5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:38.367910Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052956/publication.txtobserved 69f0991ab5d17c7ca8faf9af997b62b9...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. |
|---|