OT-2026-000060778
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, pump fed, 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-2026-000060778) never changes.
Identity and time
| Publication number | OT-2026-000060778 · never reused |
|---|---|
| Internal UUID | 01a0ae8a-b7d0-7e59-9585-d64a2bec7872 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:45:21.818756Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000060778 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1ae6b84b32a0df04d1ecb34fb3ebdc316c412c697a06083bd7742bdd5a75d6f7 |
|---|---|
| Markdown | acde0dd292a851bb886b4dcdaeff97c9eeac5252d0398343ea767b30b1d81ffa |
| Publication page | 44c2f94df63aa8265a788aa15bbafeb88354ed7701c89d2e5f97d422895a89b9 |
| Manifest | 94349704917fee5722af6bb8bba9bcf735539d5fdefef71c9c77bf9529226be0 |
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 | a6FHKyP91lhZYXpA6mTCQmUZS9p4K5AN+TW9GNc5Okz0jBqy9Oco+7fBxvm3EsKTKKXIkdqwnNPS+VRZpmOUBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|
Independent retrieval
| 2026-10-24T16:41:48.298949Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000060778observed 44c2f94df63aa8265a788aa15bbafeb8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-24T16:41:48.236962Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000060778/manifest.jsonobserved 94349704917fee5722af6bb8bba9bcf7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T16:41:48.090482Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000060778/publication.mdobserved acde0dd292a851bb886b4dcdaeff97c9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T16:41:48.042823Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000060778/publication.txtobserved 1ae6b84b32a0df04d1ecb34fb3ebdc31...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T20:41:45.632722Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000060778observed 44c2f94df63aa8265a788aa15bbafeb8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T20:41:45.559084Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000060778/manifest.jsonobserved 94349704917fee5722af6bb8bba9bcf7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T20:41:45.462148Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000060778/publication.mdobserved acde0dd292a851bb886b4dcdaeff97c9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T20:41:45.343154Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000060778/publication.txtobserved 1ae6b84b32a0df04d1ecb34fb3ebdc31...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|