OpenTechnical

OT-2026-000065971

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, two 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-2026-000065971) never changes.

Identity and time

Publication numberOT-2026-000065971 · never reused
Internal UUID01a0ae8e-8dc2-70cc-aa6e-a0a36b2926ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065971
StatusPUBLIC

Content hashes

Canonical text85c9510e69f3d2027132f41d991bac82ac870569348cf73cfb12a4e98f1ec369
Markdownaaa97d325c4d66ecbc16f6914ae734f2f18c689dd25dd2bc1c3bf7afe2875d3d
PDF
Publication pageddcaeab37435dd08411c30cf0fe1f6e5be214d81b14e4fc8c679e98ef0178812
Manifest736e160993c9fabace5e68a0fa046b7a9c0516bd01b60765a0e6dea2cde80d82

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
Signature8osuoopKpDHNQ2waLP7RU6n5JH53/UMhOtm/ALT+r24wizErEciE4pYbhMTVNdo5NFkJzNeon3DZCRvsXBEoAg==
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

2026-09-17T08:50:27.473763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065971
observed ddcaeab37435dd08411c30cf0fe1f6e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:27.444703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065971/manifest.json
observed 736e160993c9fabace5e68a0fa046b7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:27.421296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065971/publication.md
observed aaa97d325c4d66ecbc16f6914ae734f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:27.402535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065971/publication.txt
observed 85c9510e69f3d2027132f41d991bac82...
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.