OpenTechnical

OT-2026-000099632

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, pressure sensor per zone, sustained 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-2026-000099632) never changes.

Identity and time

Publication numberOT-2026-000099632 · never reused
Internal UUID01a0aea2-c976-745f-8bba-c72de14184cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099632
StatusPUBLIC

Content hashes

Canonical text1d6e589921c64d4aa09bca893010c8fb874ac36ace2a5a84e9a6b996f47a1a2d
Markdown0a17ee33184fc5282249da5ecb06d839f1f184fb5cc206a6f743d1bac0801832
PDF
Publication page5be0a51c707cb21610d67dd08c5cf2442c64f46d9d1fcd1c415a6d9c8e029bc7
Manifest14c52c7e9835aae2b895a21cb4c1a920429b95b605269fd5a1b7d3ebf1497cbe

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
SignatureP4vs1xNN/F/4+qnaU/76IxROLVpIaNzE3toRdXQ9lQkrAs+YOH7ZRKo5kpblHVo3TIMvppdIz2bX7rKyL+UqDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:34.101858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099632
observed 5be0a51c707cb21610d67dd08c5cf244...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:34.082445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099632/manifest.json
observed 14c52c7e9835aae2b895a21cb4c1a920...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:34.063904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099632/publication.md
observed 0a17ee33184fc5282249da5ecb06d839...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:34.044541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099632/publication.txt
observed 1d6e589921c64d4aa09bca893010c8fb...
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.