OpenTechnical

OT-2026-000083209

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, 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-2026-000083209) never changes.

Identity and time

Publication numberOT-2026-000083209 · never reused
Internal UUID01a0ae97-c963-7e66-a6ff-54b2e201c83c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083209
StatusPUBLIC

Content hashes

Canonical text74bcac941bc484458a75e6b0c8618d03080a2ecd5515bdcace8cbb434dceddee
Markdown572c918f614dd9d8499a3454ff14c3dc8ab1f06b5de2c876bac25a9b6621535b
PDF
Publication page0c92a7530e292799f5b96be6bed1ff0c2ab76990966f336916d1450f3aa141c9
Manifestcf05d4b917d4f176a17a60d1e6bae3bf51294493a85616c378a68a6e79823f90

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
SignatureKHnj4cd1bL8lvo7xxGdVvdfvCLZeG8EpdFURiqgeqaVlCYi1G4kNIVqlmH6R6bXsZH01vV6zYtTxa2u98JmdDw==
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

2026-09-17T09:01:05.574787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083209
observed 0c92a7530e292799f5b96be6bed1ff0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:05.175494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083209/manifest.json
observed cf05d4b917d4f176a17a60d1e6bae3bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:05.158937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083209/publication.md
observed 572c918f614dd9d8499a3454ff14c3dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:05.141145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083209/publication.txt
observed 74bcac941bc484458a75e6b0c8618d03...
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.