OpenTechnical

OT-2026-000079650

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, vented after 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-2026-000079650) never changes.

Identity and time

Publication numberOT-2026-000079650 · never reused
Internal UUID01a0ae96-0b93-702a-918e-8b0ebcc21bc8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079650
StatusPUBLIC

Content hashes

Canonical text3d800687c31a7b6d75c5d9511bdccf7b01e7db007b2248abeb6952a3d36efc4f
Markdown7e6766f7867f2a85f4eb3028ee7d822e9b74d389b266a656d537f75f69a23c0c
PDF
Publication page9e5b0ea776be36fd536516eb59f219610e0d8b1d6de5ce0b7387a869265cb142
Manifestf61f7ae6c079e1b8f76dd6c7f3f0e5765efa8a58b40290c9a2275e051b69dad4

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
SignaturepTJiR8kwlF6omw4CHUhiVikWvU3uaReD/Rlbu2yAwJC+Bq2ZHl2VuiworzvXsYNyeBn7VIezMUaeSH7L3w35AA==
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

2026-09-17T10:04:09.095986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079650
observed 9e5b0ea776be36fd536516eb59f21961...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:09.078272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079650/manifest.json
observed f61f7ae6c079e1b8f76dd6c7f3f0e576...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:09.059428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079650/publication.md
observed 7e6766f7867f2a85f4eb3028ee7d822e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:09.039474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079650/publication.txt
observed 3d800687c31a7b6d75c5d9511bdccf7b...
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.