OpenTechnical

OT-2026-000069525

Publication integrity record

Foam pad 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-2026-000069525) never changes.

Identity and time

Publication numberOT-2026-000069525 · never reused
Internal UUID01a0ae90-b52b-7cd7-a8cc-be7bbe7bb5ed · 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-2026-000069525
StatusPUBLIC

Content hashes

Canonical textadfb6964652a6b106b03aaa64ac99cd61adcc5183559ae73af281a8cf034f655
Markdown5b22cf257e0a4ff664c65f54bf875473c5c62bda06b33c1089556fd8ab267a51
PDF
Publication pageddd5eba907002b2e67e975858d47701a3947004b959f4805af53b5cf771f4b7c
Manifest32fe17de9a18b6076f29cb9774715496450376909fb4df736efe8e4045a5c5b6

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
SignatureiX8GxGc/1OcFhQyWZv9AySDo/RhEKANpdxSMg/fPrcaFoUZX2l5pTXzOA33G6ecX+xy5LlICoJXaJ2ND1tMeBw==
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

2026-09-17T10:30:37.185814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069525
observed ddd5eba907002b2e67e975858d47701a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:37.165039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069525/manifest.json
observed 32fe17de9a18b6076f29cb9774715496...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:37.147946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069525/publication.md
observed 5b22cf257e0a4ff664c65f54bf875473...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:37.130790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069525/publication.txt
observed adfb6964652a6b106b03aaa64ac99cd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:10.263526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069525
observed ddd5eba907002b2e67e975858d47701a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:10.244815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069525/manifest.json
observed 32fe17de9a18b6076f29cb9774715496...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:10.227556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069525/publication.md
observed 5b22cf257e0a4ff664c65f54bf875473...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:10.209561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069525/publication.txt
observed adfb6964652a6b106b03aaa64ac99cd6...
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.