OT-2026-000004572
Publication integrity record
Porous face vacuum gripper, four zone face, two outlet manifold, plant vacuum fed, contact triggered
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-2026-000004572) never changes.
Identity and time
| Publication number | OT-2026-000004572 · never reused |
|---|---|
| Internal UUID | 01a0a91c-5c27-7535-abf8-07443d717945 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:26:43.242475Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004572 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1c65b804dcdf75f32bb5771eccbe8b84e759baac325f223f18f98d2872bb5bef |
|---|---|
| Markdown | ac04a63d2c1f7b082ab1a25b136e5b849746bd31666dcdcea0c61d8ec794ce0f |
| Publication page | a9cb9a4886dc0fc78e2bce02ce48c716371851aab5d70b34a63a6b860e62972a |
| Manifest | 3c10438431b5199a5399b7ac5f855ca7f28d4a2223b178735bcc61c455e37e85 |
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 | BUFOv/rPyHXm8W8IDvxurhHEx4SEIE0z+S4TOfSqKZ2mszejMJiMSVLHrFVvuWG3i/8ka76aJcltyma0dr19Dg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:30:13.485290Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004572observed a9cb9a4886dc0fc78e2bce02ce48c716...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:13.472355Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004572/manifest.jsonobserved 3c10438431b5199a5399b7ac5f855ca7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:13.458334Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004572/publication.mdobserved ac04a63d2c1f7b082ab1a25b136e5b84...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:13.444938Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004572/publication.txtobserved 1c65b804dcdf75f32bb5771eccbe8b84...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. |
|---|