OpenTechnical

OT-2026-000079219

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000079219) never changes.

Identity and time

Publication numberOT-2026-000079219 · never reused
Internal UUID01a0ae96-0b8f-7f13-9cf9-31c139b0b43f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079219
StatusPUBLIC

Content hashes

Canonical text80f64d37b102762d43861701902b033ae0427e2a2c416c6104e20f4f65405619
Markdown6958ea66ec1230d4847cf2b19378ed18c8a9c0c30f5d051e70cf9dca412b10b2
PDF
Publication page2373867233d902b0d4c4fc567f690be01925168a47bf04a809dec8cad409a288
Manifest4519300b12cdbe19e3fa838874c383af6880c6942b44d24e330717b2d1c05fef

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturezUaicK5H+jmLd4ciQwSoeQSy1K5zwTpKPSfIFHwpCWWy53L7HF/XnuKVfFXvd7FgL4eUTt0l9rQXOihp0qrqBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:04:48.663209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079219
observed 2373867233d902b0d4c4fc567f690be0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:48.646909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079219/manifest.json
observed 4519300b12cdbe19e3fa838874c383af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:48.629625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079219/publication.md
observed 6958ea66ec1230d4847cf2b19378ed18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:48.613456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079219/publication.txt
observed 80f64d37b102762d43861701902b033a...
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 archivePending 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 packagePending Custody packages are produced weekly.