OpenTechnical

OT-2026-000068869

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000068869) never changes.

Identity and time

Publication numberOT-2026-000068869 · never reused
Internal UUID01a0ae90-6dcc-7a0d-9092-ba1ca38dbe5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068869
StatusPUBLIC

Content hashes

Canonical text50652e3ba8b3115e50b0461acc72c93731aad8b687319a0dd0d45d3609888596
Markdowne0062d2e5e0c66b318ba7074ed3682e78ecccdbe366e261ac02a805d8dd800c9
PDF
Publication page726d2a841b560e9c4cbbc4d4b3787ae125664623d828f8c7a4bea3fc8d94216a
Manifestb12eee516a4fc19b20b54aa6df3f6150ffec402f2f69de0052043aa464266560

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
SignatureCuGMjJb/pEjBhgfdrKG94oAYnqti02u/BRjXK5qvJPBZpzxfU8apwtQ5OALbXP4PALJSu4JT/e6cZnDapeRCBw==
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

2026-09-17T10:28:41.087981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068869
observed 726d2a841b560e9c4cbbc4d4b3787ae1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:41.069952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068869/manifest.json
observed b12eee516a4fc19b20b54aa6df3f6150...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:41.052754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068869/publication.md
observed e0062d2e5e0c66b318ba7074ed3682e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:41.035190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068869/publication.txt
observed 50652e3ba8b3115e50b0461acc72c937...
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.