OpenTechnical

OT-2026-000081534

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, vented after 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-2026-000081534) never changes.

Identity and time

Publication numberOT-2026-000081534 · never reused
Internal UUID01a0ae97-0f71-722c-9309-2f9f132a4f20 · 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-2026-000081534
StatusPUBLIC

Content hashes

Canonical text2f539e55b347f657863cef62a343ab3a8b0a2fd88ed0d2d10cf68624b0f812c1
Markdown525edeef6bb3d605cc978e9700bf18404f5f1dc28573be47b5a12b8e599d171e
PDF
Publication pagef5318a7c9c1ddd7ab46c39fe6fd6375f385d8f5f1adf657fd95ed74a3d3197ff
Manifest908b7c1b0151c42cf7a10224cf0ed514b6fa704e641127a3eceaf84ee4d5c5d9

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
SignatureZNP4DrPiqFJrk39O30i4OOa4Vhr7PxZXJQyBOhJiqQz274m6ISI0vxw+Gu8rHxgh4T0fyCgJNqc+XAr/wxSlBA==
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

2026-09-17T09:59:33.337701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081534
observed f5318a7c9c1ddd7ab46c39fe6fd6375f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:33.320578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081534/manifest.json
observed 908b7c1b0151c42cf7a10224cf0ed514...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:33.302442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081534/publication.md
observed 525edeef6bb3d605cc978e9700bf1840...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:33.284722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081534/publication.txt
observed 2f539e55b347f657863cef62a343ab3a...
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.