OpenTechnical

OT-2026-000081634

Publication integrity record

Six bellows cup vacuum gripper, six 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-2026-000081634) never changes.

Identity and time

Publication numberOT-2026-000081634 · never reused
Internal UUID01a0ae97-0f72-76f7-9128-36bb6f09c81f · 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-2026-000081634
StatusPUBLIC

Content hashes

Canonical textf30338413ac3371197fcd389aae77bc04c6ddc0d77785c03ab11e124f28d3277
Markdown618e5a36a099b569f01f52ee5e0fe1805901b381b86c5e744507a17ff207037b
PDF
Publication page354771b2eb6d08b7025340bdfee50d5fd69b4b5fd780d0411609819027db3c34
Manifest4d15774b9b030eeca6d639c6aaa81a9c937e3e6d5adad756302f7942ec7b6087

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
SignatureOriIm0C4lZePAvWqYa1D+Y+TeGunam8tSdOJuFI73+0x86fgNqVFltbVO7+kKAjXlbsCLDJ2iOGbBvg8PM1wAw==
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

2026-09-17T09:59:41.015653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081634
observed 354771b2eb6d08b7025340bdfee50d5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:40.997662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081634/manifest.json
observed 4d15774b9b030eeca6d639c6aaa81a9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:40.979633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081634/publication.md
observed 618e5a36a099b569f01f52ee5e0fe180...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:40.961367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081634/publication.txt
observed f30338413ac3371197fcd389aae77bc0...
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.