OT-2026-000052405
Publication integrity record
Single cup vacuum gripper, common isolation valve, two stage ejector, vented before set-down
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-2026-000052405) never changes.
Identity and time
| Publication number | OT-2026-000052405 · never reused |
|---|---|
| Internal UUID | 01a0ae83-e792-7fc0-9d7d-1327e7f3125d · 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-2026-000052405 |
| Status | PUBLIC |
Content hashes
| Canonical text | c4cfaf1df5569e338a4c13686b5bbff08ab204d7a2af710b8920c50a99295379 |
|---|---|
| Markdown | 4ad1220d953385cc89f68e87a90300a796b37b28effa6cc2252c8fd7397a1dae |
| Publication page | 3f9ce8ea35d3fd902267b747dd8c0b439f9e7132583816f491c2c7d6b33a435d |
| Manifest | ace059c4f67e4e366205e233b18527ea7a680eac178a1a64eb674d16362974a9 |
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 | qPdjdHOAZHQvyD6wNkyk6ZwxUlOPyCD7jZ4ooPrR1EnXaxf3DHSzXnPyl1GnzAkCHgNpTc6bbT1TodSLRpr9DA== |
| 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
| 2026-09-17T10:58:06.863493Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052405observed 3f9ce8ea35d3fd902267b747dd8c0b43...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:58:06.842969Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052405/manifest.jsonobserved ace059c4f67e4e366205e233b18527ea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:58:06.826765Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052405/publication.mdobserved 4ad1220d953385cc89f68e87a90300a7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:58:06.809663Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052405/publication.txtobserved c4cfaf1df5569e338a4c13686b5bbff0...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. |
|---|