OpenTechnical

OT-2026-000052918

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, vented before 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-2026-000052918) never changes.

Identity and time

Publication numberOT-2026-000052918 · never reused
Internal UUID01a0ae84-a42f-767f-8eb6-aebc10ff1af0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052918
StatusPUBLIC

Content hashes

Canonical text0f3a8e5148d5a778be6c91f6b89270269ec2dc47f78ee739cf25790b88049323
Markdown90ba3bb3fcb92883f09d27dede3dac043a9bb92009ccdfbb5cee764059cc5240
PDF
Publication page755368405045b4dc892fd21550a99ee3d35f5440b288a9bae23c8c0f6bcc72ac
Manifestc508f9fefe41989224e8e9ce10acd3510134aecf472aa59b87f6b02fcd80921d

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
SignatureaSxHIEtcGVVyI6u9Wjju3nttH5gF0iBsyUfabVvJqjVg0TCOoiCxTBuwiu3BB5s89PvIIt4PDz40hbgJM6NdBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:56:33.848758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052918
observed 755368405045b4dc892fd21550a99ee3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:33.830783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052918/manifest.json
observed c508f9fefe41989224e8e9ce10acd351...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:33.812572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052918/publication.md
observed 90ba3bb3fcb92883f09d27dede3dac04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:33.793087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052918/publication.txt
observed 0f3a8e5148d5a778be6c91f6b8927026...
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.