OpenTechnical

OT-2026-000077773

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three 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-2026-000077773) never changes.

Identity and time

Publication numberOT-2026-000077773 · never reused
Internal UUID01a0ae95-2ed0-71b2-99ca-dd3574c8b2cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077773
StatusPUBLIC

Content hashes

Canonical text60ee627d6cbd48c53885291d8cc6ad264d2b36fbba09a36da1325decfaa0e189
Markdownf339db68d7b970349bf3bff869ec33886d362ea78643906406bf4fc3e15dec4a
PDF
Publication page6c3a6054921459546ee98ea8d6a1202ed91035a6870b65937cd7d816cb520295
Manifest200a69eb8f289dee610e84e116efaf9898dbe0a022a6af7fdf7545f0de247255

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
SignaturewS0/Vj8D/UeDs2LbCCdzfuy8LUh66UO9E22g0TYs/jEmrfu+LlYt4EcpabzOz5CUstgr/77fq1bLGPbx0OPVDw==
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

2026-09-17T10:07:21.526077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077773
observed 6c3a6054921459546ee98ea8d6a1202e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:21.507901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077773/manifest.json
observed 200a69eb8f289dee610e84e116efaf98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:21.488512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077773/publication.md
observed f339db68d7b970349bf3bff869ec3388...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:21.468200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077773/publication.txt
observed 60ee627d6cbd48c53885291d8cc6ad26...
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.