OpenTechnical

OT-2026-000006058

Publication integrity record

Bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, plastic cups

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-2026-000006058) never changes.

Identity and time

Publication numberOT-2026-000006058 · never reused
Internal UUID01a0a94d-f01e-755b-b87b-66fb602a2591 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:20:52.385359Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006058
StatusPUBLIC

Content hashes

Canonical text21780c0945965a167e8b92ab3599b4fec1647156a926e4ea1306a2b31f462244
Markdown77322602ebaf77c9f31c5caf07d374e87f6f9eba8279177f20632e323741001e
PDF
Publication page3b40c9f669109604489d4ff3b185136ebca5c73a21fcef680d010aee91506b03
Manifest4bd87d88d7d2451a2c68ae52cd66e2548d91257b05c8b33f35981222aea9a26b

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
SignatureiscqypPSNmJWvvMgOj10FueObOYfWOpVU4fWd7doBDVbfPS0eYTuMveghbuBayDqkboW01q5SR813e1/kBqAAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:32.407006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006058
observed 3b40c9f669109604489d4ff3b185136e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:32.392551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006058/manifest.json
observed 4bd87d88d7d2451a2c68ae52cd66e254...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:32.379702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006058/publication.md
observed 77322602ebaf77c9f31c5caf07d374e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:32.242586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006058/publication.txt
observed 21780c0945965a167e8b92ab3599b4fe...
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.