OT-2026-000004849
Publication integrity record
Bellows cup vacuum gripper, common isolation valve, three outlet manifold, pump 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-2026-000004849) never changes.
Identity and time
| Publication number | OT-2026-000004849 · never reused |
|---|---|
| Internal UUID | 01a0a925-48dd-734a-b674-ca4e7b36c12d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:36:28.129082Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004849 |
| Status | PUBLIC |
Content hashes
| Canonical text | dd3c24c3beef380b6a7c15ac0618195443f0b1b3008449879804a173e0ac279a |
|---|---|
| Markdown | 5333b61a92c2afd237cb5a3742778ae71f3363037341a16df3216e5a7655996f |
| Publication page | dfe7bdbd8a5e7dc636b046d53708543f0a3833ffd62a6d3ea6b7bd9e9c266f4a |
| Manifest | 636bdbfbb824b24577978deda3e671a86482d9a7bac1114d2f4c81f35295bdd8 |
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 | xnT3a6oIGlpNltrxV/IzISTK9aUCm8mU3ZMRRR7Jj6ruN4S7stHA4Oq9A1IVT/fsKVTs0b0t2MfkkezAIi5uDQ== |
| 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
| 2026-09-16T07:40:12.418543Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004849observed dfe7bdbd8a5e7dc636b046d53708543f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:12.406482Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004849/manifest.jsonobserved 636bdbfbb824b24577978deda3e671a8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:12.394153Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004849/publication.mdobserved 5333b61a92c2afd237cb5a3742778ae7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:12.381937Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004849/publication.txtobserved dd3c24c3beef380b6a7c15ac06181954...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. |
|---|