OT-2026-000029888
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, single stage ejector, sustained blow-off 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-2026-000029888) never changes.
Identity and time
| Publication number | OT-2026-000029888 · never reused |
|---|---|
| Internal UUID | 01a0ae73-ac48-7c6f-a391-2a820552db42 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:11.501096Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029888 |
| Status | PUBLIC |
Content hashes
| Canonical text | 04df72c47a47595e8b689b29a03482d1d600af0a7e2c9ce180b086ea232683c3 |
|---|---|
| Markdown | e5e0616afa8f8bed4b9f42a4d24d365b70184fcfee781c7cfcd4dd173cda10de |
| Publication page | e7b74498a2c7c5539247d212361cdc5e73b59e34d8aa3d3f4ad24dee18f971db |
| Manifest | 7a3eedc853d5dcf5d1faca5794c01bdd38954fe86b35598e4bb0382bf6cec957 |
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 | cwSmgGx8EmqJ5tCInngmkzJgnCh3mLG2tRuDYszgSt1SWBPYmmW31oq+Z+lpxeW9nY8816u6EBuc+fgR7T3MAQ== |
| 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
| 2026-09-17T11:38:35.234763Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029888observed e7b74498a2c7c5539247d212361cdc5e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:38:35.217625Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029888/manifest.jsonobserved 7a3eedc853d5dcf5d1faca5794c01bdd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:35.201495Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029888/publication.mdobserved e5e0616afa8f8bed4b9f42a4d24d365b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:35.183910Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029888/publication.txtobserved 04df72c47a47595e8b689b29a03482d1...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. |
|---|