OT-2026-000055473
Publication integrity record
Single cup vacuum gripper, pump fed, 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-2026-000055473) never changes.
Identity and time
| Publication number | OT-2026-000055473 · never reused |
|---|---|
| Internal UUID | 01a0ae86-a102-763f-829d-69c6c8b296fc · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:53.783868Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000055473 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2bd046fbe9637c579781a252870fe053d1c401a8d110b30511185a425960c3e8 |
|---|---|
| Markdown | de826a9ec2ccd968dd60cb586901f8f30f3e4143acd10d233e9a76c17e99ced8 |
| Publication page | 2b883b310dc7a8cd639c1212989d14efedb6575ec8c10d1f308493c4c97f48d9 |
| Manifest | 0bf264b575d68e811bc80b77bd67b98a006cca4ba9acd18cda409877466fe33c |
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 | L4Se3F0cIbolVfAaG/12W6O12dIUWM8K0shcfwC4HlW7cvZY/wFGAwNukhtbWiVR4tBZWPjYUjAsmzfqWuPyAg== |
| 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
| 2026-09-17T10:52:08.163127Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055473observed 2b883b310dc7a8cd639c1212989d14ef...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:52:08.143583Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055473/manifest.jsonobserved 0bf264b575d68e811bc80b77bd67b98a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:52:08.124070Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055473/publication.mdobserved de826a9ec2ccd968dd60cb586901f8f3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:52:08.104848Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055473/publication.txtobserved 2bd046fbe9637c579781a252870fe053...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. |
|---|