OT-2026-000052858
Publication integrity record
Foam pad vacuum gripper, two 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-2026-000052858) never changes.
Identity and time
| Publication number | OT-2026-000052858 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a42f-7508-ace2-b067655c2a8d · 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-2026-000052858 |
| Status | PUBLIC |
Content hashes
| Canonical text | 490a76974bfa9beff479583df6720bff2a6d1a38362db45916ddeb212eac147d |
|---|---|
| Markdown | 8e96fd1f1f3b61f33d08ae082c5196319104eb0bf7d9d9b22d7dbdcfe6d46a2c |
| Publication page | bb9884c8c4701b9126b923f211843da99c39bf89505197b11cff0071244425c9 |
| Manifest | ed80b65d4411e42712bae355a092d3fefbbfe1a6f3989bdadca6d7216183ae0f |
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 | j2+yc9jcm5RuSKWplMZRQErBtqJHZGtRIjBWtzjap3D2hRhwhRal7I2NUvFw8Ym/oKRvEtC81MvzcpVesYbTBA== |
| 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
| 2026-09-17T10:56:29.321827Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052858observed bb9884c8c4701b9126b923f211843da9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:56:29.305449Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052858/manifest.jsonobserved ed80b65d4411e42712bae355a092d3fe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:29.288221Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052858/publication.mdobserved 8e96fd1f1f3b61f33d08ae082c519631...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:29.268847Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052858/publication.txtobserved 490a76974bfa9beff479583df6720bff...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. |
|---|