OpenTechnical

OT-2026-000005611

Publication integrity record

Vacuum cup gripper, three zone face, two outlet manifold, pump fed, pressure verified, contact triggered

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-2026-000005611) never changes.

Identity and time

Publication numberOT-2026-000005611 · never reused
Internal UUID01a0a93e-f591-796f-a4e6-77c012413225 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:04:30.739727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005611
StatusPUBLIC

Content hashes

Canonical text8da540c24270c1cf579e1f5a05fb65218cdc762ca6e22e3e2aa02c32ebfe9301
Markdownd84b392df526c9044ee9bd12bb290237d7f6154b509f2e0cfc0cd1efea39f7c9
PDF
Publication paged3c7964bd12f6981a16ecbe21df154030eb7ba6760b13597d29394335681af8f
Manifest47255783956e77b43de2190efcc7e18ad9da435b8f2f3571c158cf50b39828c3

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
Signatures9h6s/ftRS5C1u/XuIPSdZgdzZ1DkiSj7rCQAyHoc7LOWhUElREW9VClrqbiwQjEX9iDMMo3Ox0BJOBW6J9qAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:20.945393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005611
observed d3c7964bd12f6981a16ecbe21df15403...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:20.932229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005611/manifest.json
observed 47255783956e77b43de2190efcc7e18a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:20.916862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005611/publication.md
observed d84b392df526c9044ee9bd12bb290237...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:20.902701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005611/publication.txt
observed 8da540c24270c1cf579e1f5a05fb6521...
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.