OpenTechnical

OT-2026-000070169

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000070169) never changes.

Identity and time

Publication numberOT-2026-000070169 · never reused
Internal UUID01a0ae91-1862-7c32-b8cb-c67fc31ca61a · 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-2026-000070169
StatusPUBLIC

Content hashes

Canonical text32933b2d4b3ba0cba2374b5558f7ba5bf5fc6bf00d408409326dae25867c837f
Markdown9c7b9760603fba78ddeb74c87c7257def39125874b9c192e2c4a944eaf8e97b4
PDF
Publication page6c6ca086df32d8dd77d5607808060226fb371090142c4fa7f26a7640b618ce44
Manifest754f6c2798723147734ad48ccff9fadd41fdf2ec93365ff642e659198ab5b3c1

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
SignatureH2fpMa6HLPOXHyKei/dpcc1c7Gew5Ox14uZW8LBu6kL62MMGGfBU34LcMDzK8t9KdAN2IqSYdHr/zDp7TRNKBg==
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

2026-09-17T10:27:13.191350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070169
observed 6c6ca086df32d8dd77d5607808060226...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:13.171366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070169/manifest.json
observed 754f6c2798723147734ad48ccff9fadd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:13.152041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070169/publication.md
observed 9c7b9760603fba78ddeb74c87c7257de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:13.135128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070169/publication.txt
observed 32933b2d4b3ba0cba2374b5558f7ba5b...
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.