OpenTechnical

OT-2026-000064632

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000064632) never changes.

Identity and time

Publication numberOT-2026-000064632 · never reused
Internal UUID01a0ae8d-deb8-7d14-a2e1-e1d4a4d87a56 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064632
StatusPUBLIC

Content hashes

Canonical textb1c4642794c6341af5fa85b740890fd77b91cc9f78a6a6d5172f4924941fdbbb
Markdown0d748a8c9213f36694abb6932f4e02e9560e3aa1337af768488d42fe098472c1
PDF
Publication page0003a980638d5c04c8faa16622785cebb3ff6e5934fee15c6a5e680858084c06
Manifestd48044ca27b3b098baa1b36da4ce412f52c0e7bf9170c2dbb3ce6b74573ceb21

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
SignaturesBe2LXufjYCp0f0mKkaDAigARjp0gUyFrvohAVk3LdUq5KDVG9yW4cp0P99G9eY7E7IliuEc+ry3YYWSUMJKCg==
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

2026-09-17T10:35:24.842351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064632
observed 0003a980638d5c04c8faa16622785ceb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:24.823038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064632/manifest.json
observed d48044ca27b3b098baa1b36da4ce412f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:24.804491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064632/publication.md
observed 0d748a8c9213f36694abb6932f4e02e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:24.786130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064632/publication.txt
observed b1c4642794c6341af5fa85b740890fd7...
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.