OpenTechnical

OT-2026-000069507

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, 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-2026-000069507) never changes.

Identity and time

Publication numberOT-2026-000069507 · never reused
Internal UUID01a0ae90-b52b-7992-a4be-8e2f0ab354f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069507
StatusPUBLIC

Content hashes

Canonical text472fd24fb122605c8a91c1b697926be26f492ad82ba209ed26c41b2683b65252
Markdown374a2ebe1762081a04e936f001773ecf7b8d813fc94f646db0d6267afb3c200a
PDF
Publication page1b0611ae9dcd4d724e5702bfe7cfe7218caeecdb57def06e832a73b581f0c6af
Manifest9a8b524ae523a7483f2d7a1d927129f2900326c746021de2dca3c144c9416890

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
Signatureo6+HKyxgiF7mXbLQr2oM/GYh7dbz7/JPGs1fAGntSqCz7yd4i/oaBA5Tmp5mfXvA/jO8sqQkKCG4dPQNH70/Dg==
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

2026-09-17T10:30:35.547517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069507
observed 1b0611ae9dcd4d724e5702bfe7cfe721...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:35.528536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069507/manifest.json
observed 9a8b524ae523a7483f2d7a1d927129f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:35.510703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069507/publication.md
observed 374a2ebe1762081a04e936f001773ecf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:35.491612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069507/publication.txt
observed 472fd24fb122605c8a91c1b697926be2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:08.446867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069507
observed 1b0611ae9dcd4d724e5702bfe7cfe721...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:08.428927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069507/manifest.json
observed 9a8b524ae523a7483f2d7a1d927129f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:08.410811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069507/publication.md
observed 374a2ebe1762081a04e936f001773ecf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:08.393583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069507/publication.txt
observed 472fd24fb122605c8a91c1b697926be2...
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.