OT-2026-000049558
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000049558) never changes.
Identity and time
| Publication number | OT-2026-000049558 · never reused |
|---|---|
| Internal UUID | 01a0ae81-8f7d-77e8-943f-0bc90330bbe3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:35:21.728203Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000049558 |
| Status | PUBLIC |
Content hashes
| Canonical text | ef56aa869040e563ea6e4091898d52b93082ec957e319ec32c3597d1792af288 |
|---|---|
| Markdown | fec2f8525e2c404530590764aac7c5718497f7c912904d9f227d6e3ddb6dcbd9 |
| Publication page | d00dc65ea32f0be08f8f5d5ac6366a1d727bf4ea046fb34b04b541283edd58a1 |
| Manifest | f397f7c01bc3310ca744db6fd7543334194f68a98926c536a603503c1d98bb9a |
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 | mOfJbh9HWSJfNkOjcVkFFShlMYzHp+otoEUMBjA5DomG4pSmfrm9qJAR2PUSmDCWyTOwUb7e6MXmUYHV77G8Cg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:02:25.795154Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049558observed d00dc65ea32f0be08f8f5d5ac6366a1d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:02:25.775891Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049558/manifest.jsonobserved f397f7c01bc3310ca744db6fd7543334...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:02:25.757863Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049558/publication.mdobserved fec2f8525e2c404530590764aac7c571...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:02:25.739106Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049558/publication.txtobserved ef56aa869040e563ea6e4091898d52b9...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. |
|---|