OpenTechnical

OT-2026-000080189

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, two stage ejector, sustained 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-2026-000080189) never changes.

Identity and time

Publication numberOT-2026-000080189 · never reused
Internal UUID01a0ae96-7e76-7fb7-b54c-779dbc13c37e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080189
StatusPUBLIC

Content hashes

Canonical text21afe6ffe35d0b30b3e2385d6547c04d693a2583be44d44702a1e56ade027948
Markdown2188699843d85aa7852c3e4b54a435bdf366483cccf39ec3d6046473cd3cc324
PDF
Publication page9b1aef276b7890e4416f0b80fd8afda0f71e71e6dcef64bdf789a4952ba97442
Manifesteffaac7d975b565d80ccd5a8d70fe700b1dfe2d52b34a70b3bd1749619ea62be

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
SignatureyVsYLRJeTlf7f1TYmYiNff8ke6zJK5GuLAE3Mzh64GX9DGVtgCyAUsygxES/RPzOQG6zb9VxmQCeOJbczoq2Dw==
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

2026-09-17T10:02:37.831909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080189
observed 9b1aef276b7890e4416f0b80fd8afda0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:37.813814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080189/manifest.json
observed effaac7d975b565d80ccd5a8d70fe700...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:37.794210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080189/publication.md
observed 2188699843d85aa7852c3e4b54a435bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:37.776694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080189/publication.txt
observed 21afe6ffe35d0b30b3e2385d6547c04d...
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.