OT-2026-000078748
Publication integrity record
Single bellows cup vacuum gripper, single stage ejector, vented 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-2026-000078748) never changes.
Identity and time
| Publication number | OT-2026-000078748 · never reused |
|---|---|
| Internal UUID | 01a0ae95-ccbc-7ebe-9d4a-32ae006b5efc · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:57:28.017032Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000078748 |
| Status | PUBLIC |
Content hashes
| Canonical text | 295732adedae5b19abdd30fbe687ba75af7cf6c7eb04e1bc94a93a7f5a2c6a83 |
|---|---|
| Markdown | 8d224829498ff6f652a01faf269289758c7a5a196a3a6811e2a0dc47fe954d28 |
| Publication page | 38a489dbdcd18c7fd3bba7d23c62b06b9bf82f51f0019cbfb52d54561fb8bf9c |
| Manifest | b37a0b971fa67b027d7efc50332a8c9d82097ee5a47fe82132daa9481e008751 |
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 | nDmMSwwpdr6ZVqoG3onRtI8fOF2AW+zmbq5XdVA2aqaDuR15BPaHD+rQOiwuqAe9ls9Pgn+m1D6ZY9h8XP88Bw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:05:20.653413Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078748observed 38a489dbdcd18c7fd3bba7d23c62b06b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:05:20.636202Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078748/manifest.jsonobserved b37a0b971fa67b027d7efc50332a8c9d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:05:20.615915Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078748/publication.mdobserved 8d224829498ff6f652a01faf26928975...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:05:20.574415Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078748/publication.txtobserved 295732adedae5b19abdd30fbe687ba75...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. |
|---|