OpenTechnical

OT-2026-000069771

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three 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-2026-000069771) never changes.

Identity and time

Publication numberOT-2026-000069771 · never reused
Internal UUID01a0ae91-185f-7550-9b4c-1215a9338e54 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069771
StatusPUBLIC

Content hashes

Canonical text3443d4a1524c87d7a733f5d8d82c62029ffb731fe14c6d52d49b4fbc470de4ef
Markdown5b51c658454eafcac3c1d0a4170c62220b0beafecc70d41059c15576f4a4a3d5
PDF
Publication pagec407ea20cc46c092d4026be4fa90749d3e5826d3b0ed5bcc8a91c0e7b275a4cc
Manifest52387ae6cd74fa13e5f8be574bdaeed165a38b77570485a659e2245a2c3a6bc9

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
SignatureCX1471GYrk/Qyxt5D8NdrZcOYORZUu1WypiPI4MN1iU+Nt/7/nGdx3lBVjZ4zBMJH4QnjGeaUO+YRfIZ9h97Ag==
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

2026-09-17T10:26:35.868576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069771
observed c407ea20cc46c092d4026be4fa90749d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:35.852558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069771/manifest.json
observed 52387ae6cd74fa13e5f8be574bdaeed1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:35.797371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069771/publication.md
observed 5b51c658454eafcac3c1d0a4170c6222...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:35.779815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069771/publication.txt
observed 3443d4a1524c87d7a733f5d8d82c6202...
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.