OT-2026-000005217
Publication integrity record
Porous face vacuum gripper, pump fed, pressure verified at each zone, 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-2026-000005217) never changes.
Identity and time
| Publication number | OT-2026-000005217 · never reused |
|---|---|
| Internal UUID | 01a0a931-9f83-7025-a16c-f7c85aa27030 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:49:56.741756Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005217 |
| Status | PUBLIC |
Content hashes
| Canonical text | 42cf0785aa9b15f603107612413c78034280c8c026e084cc56a2a110799ec155 |
|---|---|
| Markdown | c05eb8d9286ea23e02c94c07c8cc6405a315cd663032d9a764262aad1c481b92 |
| Publication page | cfbc5ab467c259f66db634a8535df9dea1ed152815aa2a8c35ab9a45c3ab1fa0 |
| Manifest | 636a8d406473532d0f7564cf9fb4947f753a897f1698c5767fd72bbd624502b1 |
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 | Y8Fa8jyuU6c0ADFhindLVfOiY7yHl9lB0Emb6L7TZT39m/b1JpIQdzz3TQkVRWyBUv8P/CXIC40ABRV0Yh9BAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-16T07:50:02.431595Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005217observed cfbc5ab467c259f66db634a8535df9de...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:50:02.418788Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005217/manifest.jsonobserved 636a8d406473532d0f7564cf9fb4947f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:02.405476Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005217/publication.mdobserved c05eb8d9286ea23e02c94c07c8cc6405...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:02.394360Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005217/publication.txtobserved 42cf0785aa9b15f603107612413c7803...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. |
|---|