OpenTechnical

OT-2026-000070434

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two 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-2026-000070434) never changes.

Identity and time

Publication numberOT-2026-000070434 · never reused
Internal UUID01a0ae91-545f-78ba-867a-3e822ecd2bfd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070434
StatusPUBLIC

Content hashes

Canonical textfebe173ff6c85d8292866b9e768a5dc7ae9c4ab7da7571f10909cbb0fd32950c
Markdowna62c09689a18eaf0ff3d64810a8c65a6ede40398952c597dcc3539690fd657ee
PDF
Publication page3b0c8f4263617bcf357cf960ae38e21c89d917f0f6ca91accd505ae63518285f
Manifeste1a3486c92be69b80f30de5708a5074d7116289bfcdb5e02b52ffb5168b9647f

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
SignatureLnAKRh8qGe/sVVCLTAvfnTZ8ai7jw8iUxSMVKNqc/NcW6DkD+5wdn7zhmqHsCd3LL/9mB8/WCDcf3Lk6vOrvBg==
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

2026-09-17T10:26:15.147075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070434
observed 3b0c8f4263617bcf357cf960ae38e21c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:15.129404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070434/manifest.json
observed e1a3486c92be69b80f30de5708a5074d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:15.109844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070434/publication.md
observed a62c09689a18eaf0ff3d64810a8c65a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:15.079030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070434/publication.txt
observed febe173ff6c85d8292866b9e768a5dc7...
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.