OT-2026-000042937
Publication integrity record
Single cup vacuum gripper, common isolation valve, pump fed, sustained 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-2026-000042937) never changes.
Identity and time
| Publication number | OT-2026-000042937 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0d1-7c52-a5b8-1f5a9aea366b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042937 |
| Status | PUBLIC |
Content hashes
| Canonical text | 970e903e66aa62cee661b57ce034d5b04da54232043879613238e59b151aa42b |
|---|---|
| Markdown | 21e609011f16c043b3b3c592182c173c9ac025fe89b90315afc16d1fabc21178 |
| Publication page | 0d73fef0ee46c5a50d991b4c48b52e1b2b3da6f0feb9e2dce7b3229965ef21d5 |
| Manifest | a64b37d5163865591c471a7c59836df4363151f0c0e5c7d4a55e188555fc1266 |
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 | yGxXXiWdxwsZ1BaDcAWBeHrIkTf3Yj82Zty1v/BO4Ha4+PlxGkK/9tiBc3fzkqDlee55WHuhm7XAKb1tpIzWDw== |
| 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
| 2026-09-17T11:15:28.178094Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042937observed 0d73fef0ee46c5a50d991b4c48b52e1b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:28.159790Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042937/manifest.jsonobserved a64b37d5163865591c471a7c59836df4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:28.138354Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042937/publication.mdobserved 21e609011f16c043b3b3c592182c173c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:28.119282Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042937/publication.txtobserved 970e903e66aa62cee661b57ce034d5b0...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. |
|---|