OT-2026-000028988
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, sustained blow-off before 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-2026-000028988) never changes.
Identity and time
| Publication number | OT-2026-000028988 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9e-74b6-95fc-d6efcdac2fc6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028988 |
| Status | PUBLIC |
Content hashes
| Canonical text | b58f5b91c7cf5266d04286d12995101dc46eb2acf87d455c06ab3ddf19b14d0e |
|---|---|
| Markdown | bc0c8a949282ee9845c712e38611148013e71e8b36b3a3cd4986589ad3cefd74 |
| Publication page | c7cd0452a734c9bc26c6d81af0236f6b3181d4c3363117b97e9b811201dc5b9d |
| Manifest | 3421e1c8747fab43bfe13613db950ddf7f6a561f1a1b3e9a29e673d765daff64 |
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 | Kv4QRPj2X1FznHpKR92J8PhGQfRUpW2GmBIq+/pg9pPTH3/Ydfq+U+Bkbs63wyzPtOAADYtTky3UCn6mJzmXBg== |
| 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
| 2026-09-17T08:20:31.479731Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028988observed c7cd0452a734c9bc26c6d81af0236f6b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:31.461686Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028988/manifest.jsonobserved 3421e1c8747fab43bfe13613db950ddf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:31.441181Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028988/publication.mdobserved bc0c8a949282ee9845c712e386111480...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:31.295550Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028988/publication.txtobserved b58f5b91c7cf5266d04286d12995101d...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. |
|---|