OT-2026-000028470
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000028470) never changes.
Identity and time
| Publication number | OT-2026-000028470 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f6-7153-915a-50d9971dc979 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028470 |
| Status | PUBLIC |
Content hashes
| Canonical text | 45d32e5e9486fe8c5e36c6957edda5b7b9c355486b348423ca0d33dedd783dcc |
|---|---|
| Markdown | 16a9aca8ddb69edc155a54dcd7d8349078cacd10453e83d3a89e8a1202531f63 |
| Publication page | 87f2b5674737e7dd24cc1a20dca7a7cb9f07a506cebae832cdc35accacd2ba25 |
| Manifest | 6efddeeabd45b0a0e7077e8589a9e8ca03ceb0963dbdb4e15db9529b0cef1136 |
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 | ubSqgmtV0bIUrqf8BLekPay1XMHL2htWoDoAuXD1J/lPxfcKIbhxrBIO7ZLal+cuVqEibPvAiWAzAz4i5JpBBA== |
| 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
| 2026-09-17T11:40:36.861343Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028470observed 87f2b5674737e7dd24cc1a20dca7a7cb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:36.843530Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028470/manifest.jsonobserved 6efddeeabd45b0a0e7077e8589a9e8ca...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:36.825386Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028470/publication.mdobserved 16a9aca8ddb69edc155a54dcd7d83490...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:36.782176Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028470/publication.txtobserved 45d32e5e9486fe8c5e36c6957edda5b7...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. |
|---|