OpenTechnical

OT-2026-000033132

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000033132) never changes.

Identity and time

Publication numberOT-2026-000033132 · never reused
Internal UUID01a0ae75-4844-728a-a969-37ef765af55d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033132
StatusPUBLIC

Content hashes

Canonical text560b2c54f66ee309a11059e6370d45f664b177dd64d064d41ba08d6ec4881569
Markdown357427bfa77ce5a8c5ba915eb8d8215bc60c0aa63686be6b9531d204841c6293
PDF
Publication pagee0f9f41323a65513a3dd7f09cbf98e093fd2d3e492c5fe58be57e8cfcc92a8e4
Manifestf15ecd7472d0213b75d372f2db314dc33e670f9f3c622e101b36e3ad1d154163

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
Signature9l2ILKDHeufQmQMQpbyaoVMupZnqgxBwKtt4Wc3O9KbwJELiw0ZddFo3gX5LHRCxrI2EOhRNs2no9jreZWlTBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:32:48.820340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033132
observed e0f9f41323a65513a3dd7f09cbf98e09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:48.800139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033132/manifest.json
observed f15ecd7472d0213b75d372f2db314dc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:48.783537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033132/publication.md
observed 357427bfa77ce5a8c5ba915eb8d8215b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:48.766204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033132/publication.txt
observed 560b2c54f66ee309a11059e6370d45f6...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent