OpenTechnical

OT-2026-000084320

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single 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-2026-000084320) never changes.

Identity and time

Publication numberOT-2026-000084320 · never reused
Internal UUID01a0ae98-5b61-76a4-9a4b-98c4a8310366 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084320
StatusPUBLIC

Content hashes

Canonical textad74dbc22143a1f17ccaeb5471b8cfc1537cf1ea03fea53e0961a6a6e3bdb2e0
Markdownc07c8f71985b3b3594a4ae81d820e668ecb86da3df11ec21be8cc3a983349361
PDF
Publication pagedd0b2329bf8580476de184bb2fadea34f4b5a9bee487480aabd15ec591447dd8
Manifest5a0a091df5de3d742b09e380aa6a5ba1f517ef426759ccd18146cdbecfe6e3d1

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
SignatureIfzuAi4hbWk8zLegpaYOp/Zt6xrv+JXq7QYv4qa6CWD6ZTi+rolhYvbRtRg/0FvypGhOTx5D148lQDQOm38oAQ==
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

2026-09-17T09:56:14.718705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084320
observed dd0b2329bf8580476de184bb2fadea34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:14.702202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084320/manifest.json
observed 5a0a091df5de3d742b09e380aa6a5ba1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:14.683670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084320/publication.md
observed c07c8f71985b3b3594a4ae81d820e668...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:14.667734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084320/publication.txt
observed ad74dbc22143a1f17ccaeb5471b8cfc1...
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.