OpenTechnical

OT-2026-000006854

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, two stage ejector, contact triggered

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-2026-000006854) never changes.

Identity and time

Publication numberOT-2026-000006854 · never reused
Internal UUID01a0a969-beb9-7fdc-9957-40df4f3877e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:51:14.747726Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006854
StatusPUBLIC

Content hashes

Canonical text479c75a1210ed43b9d73ffadc8fdb79b69eaafcb947cc2a7b18710373846e62d
Markdown8caa2f38a7cccbb58c7c46791e4d2356e8e3a58757307c38a70d22e34a78e5cc
PDF
Publication page3102fc839419269cae29c69fcc20101e8b8bbd97e7d2f4147af6dd9788b4f6c7
Manifest147c22bbe0deaf0be366aca6c4a9ab24090ba8fe1bbcb59b71eed333e3426a8c

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
Signature2/OJuHiRlTaZg8N6sxqshEd2wc+uVdGnO2fT4Qm8sawh81SV1gxQoS8o6n/P1ioi23cqUvebX1K0MmLK1dEJCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:28.904177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006854
observed 3102fc839419269cae29c69fcc20101e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:28.891171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006854/manifest.json
observed 147c22bbe0deaf0be366aca6c4a9ab24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:28.877728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006854/publication.md
observed 8caa2f38a7cccbb58c7c46791e4d2356...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:28.739590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006854/publication.txt
observed 479c75a1210ed43b9d73ffadc8fdb79b...
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.