OpenTechnical

OT-2026-000091117

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000091117) never changes.

Identity and time

Publication numberOT-2026-000091117 · never reused
Internal UUID01a0ae9c-f16b-7705-b629-b43557eb8e64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091117
StatusPUBLIC

Content hashes

Canonical text0746ab91220ba4e01bc5e4bb74e386721601f64195fc8e14d4db7401b9453eec
Markdownf2f8c59e62bb24a5095a3b54638862ed4b7caa29c5ca9e34c27fb76ddc4500a7
PDF
Publication page02aa1fe0600a5de10fa8aba9dcc7f9ce31e1da61dca3ae78cd10f889714a8eb9
Manifestb1e235b3eb864796354935da5aea94adc8505aa23db337f9c1bbb1d80bf25cd3

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
SignatureCkL5SgCM9gzP6/GB5XoEv/7FSBF4SBcROn7lnEWU+Jly2rl2I3mcA+mYkS+mKMn6YexlofmM7etv7IRXmG8vBw==
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

2026-09-17T09:43:16.221476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091117
observed 02aa1fe0600a5de10fa8aba9dcc7f9ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:16.204500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091117/manifest.json
observed b1e235b3eb864796354935da5aea94ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:16.186998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091117/publication.md
observed f2f8c59e62bb24a5095a3b54638862ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:16.168708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091117/publication.txt
observed 0746ab91220ba4e01bc5e4bb74e38672...
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.