OpenTechnical

OT-2026-000081879

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, sustained blow-off 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-2026-000081879) never changes.

Identity and time

Publication numberOT-2026-000081879 · never reused
Internal UUID01a0ae97-0f76-7459-98c5-90bbd8a41e35 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081879
StatusPUBLIC

Content hashes

Canonical textcad9a0199d413ae6b0e6bf9d2f576a72c6ac668eb71234d76e27ae95450db769
Markdowndf719f080255deda698a0afd26b0bfe9e7a9a8d1e75d196aa4135812519fc28e
PDF
Publication page01309ad6e9554c60e22268c90d4bbf6a70dc13aafdf0ca241ff7784dd8620843
Manifest8854331e76c7ff00b3df098bf761937a6e4a9d483435f619c635bafc87e2796c

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
SignaturegkTEpFcC5XVu59cLXNjI5X79zloG2/fswCSP99A/rMkL+dK6Ie8cIsZkEV5EZZW4wTm++a9HXhTyLNhB9z3pCQ==
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

2026-09-17T10:00:59.962473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081879
observed 01309ad6e9554c60e22268c90d4bbf6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:59.943371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081879/manifest.json
observed 8854331e76c7ff00b3df098bf761937a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:59.925455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081879/publication.md
observed df719f080255deda698a0afd26b0bfe9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:59.908620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081879/publication.txt
observed cad9a0199d413ae6b0e6bf9d2f576a72...
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.