OpenTechnical

OT-2026-000069960

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, vented before set-down

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-2026-000069960) never changes.

Identity and time

Publication numberOT-2026-000069960 · never reused
Internal UUID01a0ae91-1860-75ad-8618-5c4b8dbaad01 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069960
StatusPUBLIC

Content hashes

Canonical textb4cce920388be6ea4bd1afa93c00638c11d203d4d3cbd9fb7bc2f5f5d77d6b52
Markdown3e14f7bc81585002d0b7ca214c7b78fc9267abdd77c9a4d1b69e6b9e395b531a
PDF
Publication page88c4c2280b57869ba93690bae765af8acfed24c79e46cde043dc78a4ea11459e
Manifest915fde67e4e0da6f09dfd772c0c152117eebce511d98f6c1c64bc53ff4fd15c0

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
SignatureAWESqlhGzWu5orn6SP3y4QG+QkZG3g0tcOSNOnKIbewg4y/qnFrQN1LpPMqaq8l9Bp2wz/uxeMvkh57bshomAg==
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

2026-09-17T10:26:31.362599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069960
observed 88c4c2280b57869ba93690bae765af8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:31.345408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069960/manifest.json
observed 915fde67e4e0da6f09dfd772c0c15211...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:31.327152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069960/publication.md
observed 3e14f7bc81585002d0b7ca214c7b78fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:31.308669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069960/publication.txt
observed b4cce920388be6ea4bd1afa93c00638c...
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.