OT-2026-000021818
Publication integrity record
Foam pad vacuum gripper, common isolation valve, three stage ejector, sustained 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-2026-000021818) never changes.
Identity and time
| Publication number | OT-2026-000021818 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-76d1-b90c-ca8e2e94b30e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021818 |
| Status | PUBLIC |
Content hashes
| Canonical text | 49b60d77689c3a34ea7b8483c60138111cf8745a1035d440ddf2015b260fdeac |
|---|---|
| Markdown | be4b2fa6e22884edaae20f2976e78efaaa924021be8ccccc5f571a4b38f538c2 |
| Publication page | 0c88e3d7c62fe407c80ca51e12d9d5519e4c8385f6d3cc1423075af3edd5c61f |
| Manifest | 601953602c90f1864073845e59bc90a1739bce0dec7e335d4bd98455e4416d2e |
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 | rzGVgGBEm+BK6I1T/u2thL1XaDKvMtdRSxKhmcEAZwun1QKKN3stX3fHqj4b1VU0sp+BtaK1E+/1ZLPJGI0jBQ== |
| 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
| 2026-09-17T11:54:22.363891Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021818observed 0c88e3d7c62fe407c80ca51e12d9d551...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:22.344501Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021818/manifest.jsonobserved 601953602c90f1864073845e59bc90a1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:22.328956Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021818/publication.mdobserved be4b2fa6e22884edaae20f2976e78efa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:22.312377Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021818/publication.txtobserved 49b60d77689c3a34ea7b8483c6013811...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. |
|---|