OpenTechnical

OT-2026-000078283

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, 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-2026-000078283) never changes.

Identity and time

Publication numberOT-2026-000078283 · never reused
Internal UUID01a0ae95-7c27-734e-b06c-c2ee374a2b12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078283
StatusPUBLIC

Content hashes

Canonical textc4f657e738a546e05e29f50e39c938c816cd0062dcee243a8d3fcb947c4eef38
Markdownb5058b2bccc1f4f9d171ffbe221d4eec6c8380f578d8795959a54787e574b4e6
PDF
Publication page33a12c99ac88002555ec1da63bb3b9f7070788759a3263a8411016b6ccc6b319
Manifesta0c60b6a40ffa10ff4a7670bf5510c9286c9fc69bc0ccecfeb3f080209e18407

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
SignaturectvJanphl1Ow+9twgK/ov50h5pTs7Ds46EQ1zOvVHz5VXjUgOJwkU4/iMFHPrJp8ZEV4urNNUbdoiK+n2EwzBQ==
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

2026-09-17T10:06:14.771662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078283
observed 33a12c99ac88002555ec1da63bb3b9f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:14.754768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078283/manifest.json
observed a0c60b6a40ffa10ff4a7670bf5510c92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:14.734804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078283/publication.md
observed b5058b2bccc1f4f9d171ffbe221d4eec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:14.715107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078283/publication.txt
observed c4f657e738a546e05e29f50e39c938c8...
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.