OT-2026-000006502
Publication integrity record
Vacuum cup gripper, three zone face, pump fed, pressure verified, contact triggered, silicone cups
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-2026-000006502) never changes.
Identity and time
| Publication number | OT-2026-000006502 · never reused |
|---|---|
| Internal UUID | 01a0a95d-76c5-7838-8615-5a32df4b4177 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:37:49.895753Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006502 |
| Status | PUBLIC |
Content hashes
| Canonical text | 135ef970541894fb37e1e74c53cfd4e93c3022a3425576d5e870e4e2d547dc13 |
|---|---|
| Markdown | 91eca5a97c4d0a679cbfe311f8a8ee7406aac3a4b62c11f2790caca54d154ecc |
| Publication page | 220170ef6049662efa28e2bd603d753c8edfc76b9ab73193591ca81cc042f3fa |
| Manifest | 92cffc3dcc21316c6a4c9833e5b2934d4c4caf4aa1c674bc0e04d8954d224c74 |
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 | hhSJBoy5TI6WOskNyA56j9AeWBm1urdk0rWXsnCfiUa0wL3RIC2MXW54dv8l+TdizWPwxEJagGzlN/31AULUBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:47:03Z batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof root e368e9c5ab06dc5cb1b0682dd54c11f5... |
|---|
Independent retrieval
| 2026-09-16T08:45:23.402420Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006502observed 220170ef6049662efa28e2bd603d753c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:45:23.148607Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006502/manifest.jsonobserved 92cffc3dcc21316c6a4c9833e5b2934d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:45:22.946948Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006502/publication.mdobserved 91eca5a97c4d0a679cbfe311f8a8ee74...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:45:22.435506Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006502/publication.txtobserved 135ef970541894fb37e1e74c53cfd4e9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:10.172080Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006502observed 220170ef6049662efa28e2bd603d753c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:10.145002Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006502/manifest.jsonobserved 92cffc3dcc21316c6a4c9833e5b2934d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:09.993843Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006502/publication.mdobserved 91eca5a97c4d0a679cbfe311f8a8ee74...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:09.973821Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006502/publication.txtobserved 135ef970541894fb37e1e74c53cfd4e9...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. |
|---|