OpenTechnical

OT-2026-000076441

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single stage ejector, pressure sensor per zone, pulsed 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-2026-000076441) never changes.

Identity and time

Publication numberOT-2026-000076441 · never reused
Internal UUID01a0ae94-6a71-7f7b-9575-7bb490bcb06e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076441
StatusPUBLIC

Content hashes

Canonical text5fd9a9589b090fdd6157d33b586781a80203c2fa0f4b32170b90861487c4beba
Markdowna7ec2d55dfc4c4e1fb1902ac5bb1d1d92e3dc09d4f5a8c1b69751afc179c3dc7
PDF
Publication page690936d408a435cdaae3af51ab2dc24d1cc3c8e1e18669c5118b9154be93d631
Manifest581c743f4da82d4d85837ea092c5e997000c94a9db248fba8d5d47dd71e46e7b

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
SignatureiiRgZaYqW/i8JcsHNcRc0I6lG+As7pTu5IzWwf4sMNP7Cw5dvshMtJvlFteaSncoR4C493YlV2R8u/q6L6uWAw==
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

2026-09-17T10:12:28.745944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076441
observed 690936d408a435cdaae3af51ab2dc24d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:28.726074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076441/manifest.json
observed 581c743f4da82d4d85837ea092c5e997...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:28.705540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076441/publication.md
observed a7ec2d55dfc4c4e1fb1902ac5bb1d1d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:28.561146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076441/publication.txt
observed 5fd9a9589b090fdd6157d33b586781a8...
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.