OpenTechnical

OT-2026-000086331

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, three 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-2026-000086331) never changes.

Identity and time

Publication numberOT-2026-000086331 · never reused
Internal UUID01a0ae9a-2c96-74f1-b54a-6d490b83c6b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086331
StatusPUBLIC

Content hashes

Canonical text90f5afa532825a43096282169c5cf9132f6de3669150e33c06b39d8d378d4acc
Markdown106d72bb5354c9e49f1ac3cd2bb4d683d213b7295f08f9cfe2af46521e354de0
PDF
Publication pagec7a686ea5f55e4a84e156dd93190afa6dd0b3741a472761940f688f7ea478795
Manifeste095efccb7d0cc50b75029b11f617321df09b1e2ebb5e1c6908ea434208bcb16

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
SignatureKTlIVAgcY8lisVWhxjihvbA8MaO4lQGH5iJEKZmQx3khNpp3V5ehsMlTKcydWUvEP5pWetfpbtCnLibD2glnDA==
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

2026-09-17T09:52:01.260868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086331
observed c7a686ea5f55e4a84e156dd93190afa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:01.241433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086331/manifest.json
observed e095efccb7d0cc50b75029b11f617321...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:01.222127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086331/publication.md
observed 106d72bb5354c9e49f1ac3cd2bb4d683...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:01.202218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086331/publication.txt
observed 90f5afa532825a43096282169c5cf913...
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.