OT-2026-000005971
Publication integrity record
Porous face vacuum gripper, three zone face, pump fed, vented after set down, open cell
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-2026-000005971) never changes.
Identity and time
| Publication number | OT-2026-000005971 · never reused |
|---|---|
| Internal UUID | 01a0a94a-e315-7116-a02c-984684710eab · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:17:32.440287Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005971 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3c0973356dec92d7f0cae695840c6f1d9e598da8deb32a07c0e97cf0f84f7bc7 |
|---|---|
| Markdown | 2dd7c3cdc3f560c319bbea6ebb70830b976fd477a9623f846ec7b3afa2e13ff7 |
| Publication page | 67ffdd0a73dd1f37463f81d3483aa006d5e147457b060c61fbdf081dbae2d407 |
| Manifest | 6fbb15567d5532d92c9130fa251b7e4efab47a1266de3f46702d47a90801645a |
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 | 3PV3wOJILndDYiLu92Udigdao/w2KxiSMnWOob/vJif6rapvSKEoJEu6+ppJtT5UVkxTMriPG9YZFNG1USbPDw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:27:03Z batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof root dbe93cb6b2158496df2f60f3b6822537... |
|---|
Independent retrieval
| 2026-09-16T08:20:11.148389Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005971observed 67ffdd0a73dd1f37463f81d3483aa006...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:20:11.132274Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005971/manifest.jsonobserved 6fbb15567d5532d92c9130fa251b7e4e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:20:10.997852Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005971/publication.mdobserved 2dd7c3cdc3f560c319bbea6ebb70830b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:20:10.982401Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005971/publication.txtobserved 3c0973356dec92d7f0cae695840c6f1d...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. |
|---|