OpenTechnical

OT-2026-000069534

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000069534) never changes.

Identity and time

Publication numberOT-2026-000069534 · never reused
Internal UUID01a0ae90-b52b-7b6e-8703-186a5ac3b52f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069534
StatusPUBLIC

Content hashes

Canonical text69213ccfc7e8f2fd412136f0c99be8ea3a5fe88da5d103bb54fe9c484ec33867
Markdowndde06f63dc8071f44083d08fe6cad8a6a5638803ba12d082c81f4ff0011c0cba
PDF
Publication pagee22b2740a2ae974a6c3e2bf96d41d2ea0ffbcfe6a8b77ee58784b52c33588092
Manifest557cd9fd37dc0778cceb4349e29a0fa4d109dcc9e1017113ded9af51bb07de46

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
Signatureu5Zid0o589p1Kuq2kECZcSaSSeCuI98rBmaW3RtH5+cVRb6Pqs3+9LVQRZ2HfqdcrUVKsIdil6arRB3eypzFAw==
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

2026-09-17T10:30:30.127614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069534
observed e22b2740a2ae974a6c3e2bf96d41d2ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.110310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069534/manifest.json
observed 557cd9fd37dc0778cceb4349e29a0fa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.028488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069534/publication.md
observed dde06f63dc8071f44083d08fe6cad8a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:29.952137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069534/publication.txt
observed 69213ccfc7e8f2fd412136f0c99be8ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:03.105707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069534
observed e22b2740a2ae974a6c3e2bf96d41d2ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:03.087754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069534/manifest.json
observed 557cd9fd37dc0778cceb4349e29a0fa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:03.054366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069534/publication.md
observed dde06f63dc8071f44083d08fe6cad8a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:03.018472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069534/publication.txt
observed 69213ccfc7e8f2fd412136f0c99be8ea...
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.