OT-2026-000052850
Publication integrity record
Foam pad vacuum gripper, single stage ejector, vented 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-2026-000052850) never changes.
Identity and time
| Publication number | OT-2026-000052850 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a42e-7ce4-ab62-90ef65eab8a2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:43.524202Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052850 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0e7d0bb886c46170c2bf74efbfdfc9cbe5a214795f1bfe6f369b00f0358a0a3a |
|---|---|
| Markdown | 0cdf776e631d05eda4794d49a7b08152c8a1d78d8f5d74a7634197e38c1e9fd7 |
| Publication page | bd1da2179c7fe0e916786195eafa11dafcf84291b22cdbd07ab22a03031f9781 |
| Manifest | 4e2431e731769c738171f746777f73e8ba689579b25709d6a514c943cb49443d |
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 | WwTKgRRVnAnTdNiNZaj+fEkjYcRA+t5N2SWku6Kr96w33eWfIoR5DyUVpKqNIzC8Uoi0njP0zJUeoIF2w20fBw== |
| 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
| 2026-09-17T10:56:28.705654Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052850observed bd1da2179c7fe0e916786195eafa11da...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:56:28.687635Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052850/manifest.jsonobserved 4e2431e731769c738171f746777f73e8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:28.670662Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052850/publication.mdobserved 0cdf776e631d05eda4794d49a7b08152...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:28.653833Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052850/publication.txtobserved 0e7d0bb886c46170c2bf74efbfdfc9cb...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. |
|---|