OpenTechnical

OT-2026-000069275

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000069275) never changes.

Identity and time

Publication numberOT-2026-000069275 · never reused
Internal UUID01a0ae90-b528-7dff-aa91-b56d3e3d6403 · 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-2026-000069275
StatusPUBLIC

Content hashes

Canonical text6fe56a8719360198fb86ba70979ece92623c7fd709958d1bbaf7c27073f355e9
Markdown102fda950eaeb5d45c3ee23e286ed46e28b8df72108aad0b70374ab7f695ec29
PDF
Publication page56293831aaa3c9573e6a999b122a99e28466d1de69e8144950256a36e661c352
Manifest873176385ced325c3a0e580741e2d9766247b1e2da56804511ff9663b914c1a0

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
SignatureAFgJfyFmZTleZII9fEE7ex7irCuDCtdFQMHc9Yg9KI206fCe8EApnhUqx/evUJZ8THEsAVPGwSbUAMDjYOvYBg==
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

2026-09-17T10:27:21.494130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069275
observed 56293831aaa3c9573e6a999b122a99e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:21.475277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069275/manifest.json
observed 873176385ced325c3a0e580741e2d976...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:21.455613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069275/publication.md
observed 102fda950eaeb5d45c3ee23e286ed46e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:21.436645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069275/publication.txt
observed 6fe56a8719360198fb86ba70979ece92...
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.