OpenTechnical

OT-2026-000006992

Publication integrity record

Vacuum cup gripper, three stage ejector, pressure verified at each zone, polyurethane cups, flat form

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-2026-000006992) never changes.

Identity and time

Publication numberOT-2026-000006992 · never reused
Internal UUID01a0a96e-d197-71a1-a0cf-8de10366c364 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:56:47.378846Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006992
StatusPUBLIC

Content hashes

Canonical textaf884f7cde712e66e7f65d9d9b0ea5dcc7fb9e27fd70cc8127916c1ef7a4f9f7
Markdown52c89cc94af36594d172fcfa4c04773f073ac35fab46fd29a982733e0b7e001c
PDF
Publication page48f5f14de5ca3989cda23274d75a7a133f33e3fd8a926627d0b639ddd932f4cd
Manifest2bceda37e4003440a9b274178772141bcc67c2dd7ae779a686b07a8919aa7f66

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
SignatureeDg294CudcTHgNRn7mh03zDEYI4xC3pBsFONAYJU49l715uMZQDVAP8NAYxo6LTMPX6V2ulPQyYrtNi6lDrKDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:14.140882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006992
observed 48f5f14de5ca3989cda23274d75a7a13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:14.127984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006992/manifest.json
observed 2bceda37e4003440a9b274178772141b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:13.994004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006992/publication.md
observed 52c89cc94af36594d172fcfa4c04773f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:13.979740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006992/publication.txt
observed af884f7cde712e66e7f65d9d9b0ea5dc...
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.