OpenTechnical

OT-2026-000069971

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-2026-000069971) never changes.

Identity and time

Publication numberOT-2026-000069971 · never reused
Internal UUID01a0ae91-1860-7637-98ab-74032c6dc61a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069971
StatusPUBLIC

Content hashes

Canonical textdc0f4496234b6385a62b74b490ffa2de5ade2a7b1e7142b7dd28aaa0a7978459
Markdown3ed1145cddfd17fc3caaebb26e3eb9f7cff9c60981728593ad4b2d6458c05c39
PDF
Publication page5bd784fd910aae3dfcae08a6906f8ed8aa44578852e7fa40f913c59d2e09c728
Manifest5cecd71d9f775845f1eae71f1feca7a2ef87642e22bb60c1bff9a024ff79672a

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
SignaturedApDIfobQ0PaPHFnK8a0WopucglyHglIUQGsmfjLsTf2k8ptI/71dDusm+8r3tR02B24Z+Q917Su4VVS0B9sCA==
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

2026-09-17T10:26:54.830819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069971
observed 5bd784fd910aae3dfcae08a6906f8ed8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:54.813138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069971/manifest.json
observed 5cecd71d9f775845f1eae71f1feca7a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:54.794914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069971/publication.md
observed 3ed1145cddfd17fc3caaebb26e3eb9f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:54.776499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069971/publication.txt
observed dc0f4496234b6385a62b74b490ffa2de...
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.