OpenTechnical

OT-2026-000078193

Publication integrity record

Foam pad vacuum gripper, two zone face, four 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-2026-000078193) never changes.

Identity and time

Publication numberOT-2026-000078193 · never reused
Internal UUID01a0ae95-7c26-7e0e-9347-ff81b5f7327d · 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-2026-000078193
StatusPUBLIC

Content hashes

Canonical text98efaf04e84e7ee40c9277ceb952c059c3a103c2eceadbda93f7cfb98c397dcd
Markdown8f71e915b28f37c3df0c75f9c1d1b8de56f4bf45461a6d6473ba543c9fac5fa0
PDF
Publication page66f810e6f4c51f7bbc99db35f738ba15840d836649f042b528595b1a04b45a14
Manifest9d2204a62d344f9d2135b522bf06980af9c8836e5d836a1a8169762f220c8b7e

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
SignatureyYIgvJfvf0woz4uGV4fq7BPlxiQO42zJ2WAnR5zxjXG0qkboroh81TA7e1tPfhYtAXmdNYXJApKCftY4mD2tBg==
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

2026-09-17T10:06:08.303846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078193
observed 66f810e6f4c51f7bbc99db35f738ba15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:08.284930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078193/manifest.json
observed 9d2204a62d344f9d2135b522bf06980a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:08.264905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078193/publication.md
observed 8f71e915b28f37c3df0c75f9c1d1b8de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:08.207107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078193/publication.txt
observed 98efaf04e84e7ee40c9277ceb952c059...
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.