OT-2026-000052090
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000052090) never changes.
Identity and time
| Publication number | OT-2026-000052090 · never reused |
|---|---|
| Internal UUID | 01a0ae83-e78f-7eff-bd4b-2854a11e03e0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:37:55.233643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052090 |
| Status | PUBLIC |
Content hashes
| Canonical text | c5e2af80fc61160e46fa886ad18f8c8d9fe4a42b16894ffaf83c884af9423415 |
|---|---|
| Markdown | 7c0da2c782a13b9c58fd508ffad3797960c370e0ca7b2357b745880ad02ff2db |
| Publication page | f5b9ae5e9925af43930fcf5d1dc3b03c5f558a08223dab6b594f8300c8d65a0d |
| Manifest | d45fb32b32db1edf99634bd39a9a325296a725377b3e78702c626bbcf2c9acd0 |
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 | xDgRaPb+2Ft8LMTVVTEvlWXKWJZCkwZqA08+PlXxf2YqaJyXSb4Rks8/wh8ZXY1zD9k2kiDUBI+CSBsJXcSPAw== |
| 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
| 2026-09-17T10:57:37.389290Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052090observed f5b9ae5e9925af43930fcf5d1dc3b03c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:37.372242Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052090/manifest.jsonobserved d45fb32b32db1edf99634bd39a9a3252...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:37.353494Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052090/publication.mdobserved 7c0da2c782a13b9c58fd508ffad37979...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:37.335876Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052090/publication.txtobserved c5e2af80fc61160e46fa886ad18f8c8d...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. |
|---|