OpenTechnical

OT-2026-000075624

Publication integrity record

Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, vented 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-2026-000075624) never changes.

Identity and time

Publication numberOT-2026-000075624 · never reused
Internal UUID01a0ae94-29fd-708e-b85d-a556e769f40a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075624
StatusPUBLIC

Content hashes

Canonical textf61845da7fba000b16ba6cf2557cf24a2b598065d9d265f068ba89ae8cf209a1
Markdown194022c64489479768b81519d34e394cb4715b518c40306bb3dff1487f5a93fa
PDF
Publication page33dc6f015bfbe3e7a452f4f188c56e7b13f16f4dfd781286daf1aded5c8454de
Manifest51bd8706f5d5bbe92a47f5e78f5fdf360bf96589f74537b630cfc4fff64e3e08

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
SignaturevDbDJtuF3etuUtQBfZz/VFGzk4ke8SWIcdbLBTDLV6ikgGmLQMFTEGFhTY5jpNkIK9gsSxbEWmUnTkYVGxVsDg==
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

2026-09-17T10:13:20.757698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075624
observed 33dc6f015bfbe3e7a452f4f188c56e7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:20.737935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075624/manifest.json
observed 51bd8706f5d5bbe92a47f5e78f5fdf36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:20.718000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075624/publication.md
observed 194022c64489479768b81519d34e394c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:20.697912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075624/publication.txt
observed f61845da7fba000b16ba6cf2557cf24a...
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.