OpenTechnical

OT-2026-000085044

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, single stage ejector, sustained blow-off before 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-2026-000085044) never changes.

Identity and time

Publication numberOT-2026-000085044 · never reused
Internal UUID01a0ae99-43b8-7271-8271-e82f752f569d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085044
StatusPUBLIC

Content hashes

Canonical text2f2d5b6d026b47502898410c281bc72f54f2499c58e47d9479b34d09be42fdd0
Markdowncf2f415817b3c4c0c9ed68f27aa414c56a143855a2c8f63e6ab75ec6ee9c5d6b
PDF
Publication page0ebee0c50509c03f70c0a1752a861b2778c2a52c8db3d5b2ba25d3b57f2175ef
Manifest20678819a373dcd843f9e9ccc9a205b4a8e23bdf6d400268b0f58f3262c35e7f

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
SignaturepquQ++DDXg0aaTcDdbFbggeezI1YoJlSOKMLsJzZcFzMxyx6E710I9hJxqFglUWsuJJNyj7qPECPU3MBbxrpCQ==
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

2026-09-17T09:55:03.722263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085044
observed 0ebee0c50509c03f70c0a1752a861b27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:03.705572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085044/manifest.json
observed 20678819a373dcd843f9e9ccc9a205b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:03.689455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085044/publication.md
observed cf2f415817b3c4c0c9ed68f27aa414c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:03.673288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085044/publication.txt
observed 2f2d5b6d026b47502898410c281bc72f...
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.