OpenTechnical

OT-2026-000090787

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, two stage ejector, pressure sensor per zone, sustained 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-2026-000090787) never changes.

Identity and time

Publication numberOT-2026-000090787 · never reused
Internal UUID01a0ae9c-7f31-7995-8725-435b8ecef07d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090787
StatusPUBLIC

Content hashes

Canonical textba0a316a764905fa745cd80d6e56e75a69482181da598e36f2b7b73c5984617a
Markdowneb064ccb45b1b9bd127100f6d33eec3aa986e24eed79f275b6ebd3396d9b603b
PDF
Publication pagee4a53d75d2ab9f1bf9e3bd832e5b341784788ef74d877dfe791924bf5b4628ba
Manifestb3694a2e0ad3014fc21c37b7c3e6318af72e4770ed8ba5f25effecb0f0c61cd8

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
SignatureyVH6d7/ChjM5LrWPb5GOYTkSgrCK23d76V2QKM4cV+MZ/t+fAxfmbXvmpA+FdXDqDZLh6drRZTlkxa8JGe25CQ==
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

2026-09-17T09:44:59.498028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090787
observed e4a53d75d2ab9f1bf9e3bd832e5b3417...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:59.481595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090787/manifest.json
observed b3694a2e0ad3014fc21c37b7c3e6318a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:59.464163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090787/publication.md
observed eb064ccb45b1b9bd127100f6d33eec3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:59.446054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090787/publication.txt
observed ba0a316a764905fa745cd80d6e56e75a...
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.