OpenTechnical

OT-2026-000080947

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, three stage ejector, sustained blow-off 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-2026-000080947) never changes.

Identity and time

Publication numberOT-2026-000080947 · never reused
Internal UUID01a0ae96-b975-7fd2-a474-b126a903535a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080947
StatusPUBLIC

Content hashes

Canonical text9750210f899c39e72c999b5c55014403b5ada8dbcfface7a88868be675b12fca
Markdownb9b7cac7389d715256c3d4693f4486dfa9fe3882d5ba6896af9811baf1c61b51
PDF
Publication page0b51acc666e5a3f7bca0b5a157cfce1e348410d359848959780b3419f962a420
Manifest2aa9f0f2bb3a92cd31e90785566f4d682e5b65780c9b46fda35d83b467a3414b

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
SignatureZwy17Oed5zSJxXHwz+cIVEVPmtuavY8+Bl/w+v8Mz2fXgbOcvParvM4Ne+54ml5dxy1u2dO00j6DHIYP993mDg==
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

2026-09-17T10:02:13.506909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080947
observed 0b51acc666e5a3f7bca0b5a157cfce1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:13.489080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080947/manifest.json
observed 2aa9f0f2bb3a92cd31e90785566f4d68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:13.469828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080947/publication.md
observed b9b7cac7389d715256c3d4693f4486df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:13.451795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080947/publication.txt
observed 9750210f899c39e72c999b5c55014403...
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.