OT-2026-000021946
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, pump fed, 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-2026-000021946) never changes.
Identity and time
| Publication number | OT-2026-000021946 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-79df-9709-dc0cc87816fe · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021946 |
| Status | PUBLIC |
Content hashes
| Canonical text | 50fac2bde4efd6c852148627ac0c92f4d06e3b7a58c495702b581ce10d20b77b |
|---|---|
| Markdown | 2101b1a8f616f37c31c996012d908f720e9ef6199d68f9090beb2ea45991b95e |
| Publication page | 1e0635d029f466a6b72721b3c7d84fc5f45e1b02061f8e62b99848af78f54885 |
| Manifest | e75c797b9eafdd231b7130cd483a1797cc91e7519f1035861b8d651debfe64cd |
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 | l88U9p0sPRRVszPNGwJTRQokZ7JhARzNoM+pMPKZIiH6TAu5emztYDI/KR4uTEyFfVagAqEMbGpfmOVRcciMDQ== |
| 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
| 2026-09-17T11:54:36.698509Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021946observed 1e0635d029f466a6b72721b3c7d84fc5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:36.680346Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021946/manifest.jsonobserved e75c797b9eafdd231b7130cd483a1797...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:36.661620Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021946/publication.mdobserved 2101b1a8f616f37c31c996012d908f72...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:36.643498Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021946/publication.txtobserved 50fac2bde4efd6c852148627ac0c92f4...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. |
|---|