OpenTechnical

OT-2026-000008388

Publication integrity record

Foam pad vacuum gripper, three zone face, three stage ejector, pressure sensor per zone, pulsed blow-off after set-down

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-2026-000008388) never changes.

Identity and time

Publication numberOT-2026-000008388 · never reused
Internal UUID01a0ae6a-e469-7a13-9b60-2402296411b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008388
StatusPUBLIC

Content hashes

Canonical textfc163c911a6b62ba9fca5bcf8a0decec8f8649a4ee12c94af78ce21a7efdcd35
Markdown6a30bd61db872d78e30be98d09416f91068cf292c5f3a703d5555744fd0e697c
PDF
Publication pagead8e4f947a5dcaad780c02356fccbe6cdc13893d2e0fac6e6e9c67bccc970af4
Manifestdf2dbaecdb88917d5ffb676e0ad75f6b8a48128015c4fae74929f595d7d9d74e

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
SignaturenZvSf5VTiKITRPlNMk7tkOidZGOxS54CF1iK65x5qNnl7RXirxhu9dDb3eObyBhyblYHN6lky2+SJfp4JMxHBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:13.355415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008388
observed ad8e4f947a5dcaad780c02356fccbe6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:13.332932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008388/manifest.json
observed df2dbaecdb88917d5ffb676e0ad75f6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:13.308430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008388/publication.md
observed 6a30bd61db872d78e30be98d09416f91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:13.287420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008388/publication.txt
observed fc163c911a6b62ba9fca5bcf8a0decec...
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.