OpenTechnical

OT-2026-000078115

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single 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-2026-000078115) never changes.

Identity and time

Publication numberOT-2026-000078115 · never reused
Internal UUID01a0ae95-6e8c-7e29-a99b-69b05904d4ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078115
StatusPUBLIC

Content hashes

Canonical text5ba65a325d5a19a7646c688fa91dd9968d91f290f9ea1d8fde18f7bb2dc2ccd2
Markdownde9978e7bc2236c34271a931bd21dcc4a55a2e15e942e1aaae278ca94a0e9c69
PDF
Publication page4ac94de4995c6675acda2d4591d35ec7b61392ef366a15f5d8743299d3497fff
Manifesta303246431466be05f60b2dd95a2768934f96c97956d2af698c8674df463087d

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
SignaturePuJGAyCY0OnEgVp/xfDVl0UCAifwpDBgf9DGoSR3zZpSHqe3OOlKJ5UfkQrKFpmb2yNtokIwNgER527a3t3gCg==
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

2026-09-17T10:06:49.485202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078115
observed 4ac94de4995c6675acda2d4591d35ec7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:49.468454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078115/manifest.json
observed a303246431466be05f60b2dd95a27689...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:49.449960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078115/publication.md
observed de9978e7bc2236c34271a931bd21dcc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:49.431337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078115/publication.txt
observed 5ba65a325d5a19a7646c688fa91dd996...
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.