OpenTechnical

OT-2026-000078911

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000078911) never changes.

Identity and time

Publication numberOT-2026-000078911 · never reused
Internal UUID01a0ae95-ccbd-77f4-9939-53f2ec6ca41d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078911
StatusPUBLIC

Content hashes

Canonical text77d5cbe06bcfa3a4c92182563f9ca4692483912524978550891f21f0ad524693
Markdown0ea788c121482d198944c5329c9c149115fbfac686d23e7d04c1bda380f0e7e8
PDF
Publication page77bc7eb612150dd840666a2313af9f844fc2ca60c509219f5337dada11ee1f02
Manifestee1709e01fd622ec45df29fcc40a4da8dda16bafcfdb277a9484163df6d4db41

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
Signatureirez4YBwhEnlR67yohAn4JTVFXid3uCsSj0+KIhTDGc4vRv7JWywnP/LhFGFNi/zmNksUYWZTKe80Br16eqfBg==
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

2026-09-17T10:05:43.540801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078911
observed 77bc7eb612150dd840666a2313af9f84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:43.523093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078911/manifest.json
observed ee1709e01fd622ec45df29fcc40a4da8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:43.505879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078911/publication.md
observed 0ea788c121482d198944c5329c9c1491...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:43.487631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078911/publication.txt
observed 77d5cbe06bcfa3a4c92182563f9ca469...
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.