OT-2026-000004605
Publication integrity record
Bellows cup vacuum gripper, common isolation valve, two outlet manifold, pump fed
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-2026-000004605) never changes.
Identity and time
| Publication number | OT-2026-000004605 · never reused |
|---|---|
| Internal UUID | 01a0a91d-7b37-7044-b216-3611b1c31fa9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:27:56.730726Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004605 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8af6e4a0dd828b01095c0902cf1d019d13e52d260142d94f90506065ca1c0753 |
|---|---|
| Markdown | 3e0e4d4dce64f3ba456ffb5588fdc260e28fde07e28ded9c9e32b6ee9fa49765 |
| Publication page | f96f95243c2ac2f7971e4963c90090569fdc739baa424f4eea2cc3b50d79a4e9 |
| Manifest | 18c3d6b30ef6211ca009faf1a1c71a03e45b36d5eb6a1765b14604f36d401ce6 |
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 | VYuvFtqmnNoULdb7acNxC081hcQceo574ZfGDeYVVpA3UBS4uiJXEf+NXmeVN0WN8dT/eyhOw7Sk/0pz32rSCw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:30:09.957048Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004605observed f96f95243c2ac2f7971e4963c9009056...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:09.943662Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004605/manifest.jsonobserved 18c3d6b30ef6211ca009faf1a1c71a03...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:09.930105Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004605/publication.mdobserved 3e0e4d4dce64f3ba456ffb5588fdc260...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:09.915873Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004605/publication.txtobserved 8af6e4a0dd828b01095c0902cf1d019d...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. |
|---|