OT-2026-000005479
Publication integrity record
Porous face vacuum gripper, common isolation valve, three stage ejector, contact triggered on the face
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-2026-000005479) never changes.
Identity and time
| Publication number | OT-2026-000005479 · never reused |
|---|---|
| Internal UUID | 01a0a93a-4de2-7b52-8aab-0ae1a842c4ff · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:59:25.669036Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005479 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2c08ad296a63b8444afb51a1af1c9a2c7582f6378be1ddee3756872f453501d3 |
|---|---|
| Markdown | 6ad8a5423c17dc52eaf13f9fb4296986630c47f820c464d2b76c0ed8514cb2c1 |
| Publication page | 20e2954e349fca81de864b4d59211d821f4f2202c300be924adef4addddd8dac |
| Manifest | dd50e8daa20f3fc7d92bf18131d5cde8bb44750dc23069bb2900adc8f1b197f3 |
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 | qrl0hEnOU+GkUOE1wDYUjQLS19PpYBqFOT+FAjwN6B1Osfk0+3mVs0iqd/1YCBwuzrIpCbB2dl3Eu/4hgWNZDA== |
| 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
| 2026-09-16T08:00:04.429774Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005479observed 20e2954e349fca81de864b4d59211d82...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:00:04.410609Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005479/manifest.jsonobserved dd50e8daa20f3fc7d92bf18131d5cde8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:04.396883Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005479/publication.mdobserved 6ad8a5423c17dc52eaf13f9fb4296986...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:04.381515Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005479/publication.txtobserved 2c08ad296a63b8444afb51a1af1c9a2c...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. |
|---|