OpenTechnical

OT-2026-000077753

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two 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-2026-000077753) never changes.

Identity and time

Publication numberOT-2026-000077753 · never reused
Internal UUID01a0ae95-2ed0-7ebc-b81d-656a53b2e1ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077753
StatusPUBLIC

Content hashes

Canonical textdd98a9060dc287f4aaf3df6c357db54447e55b5a8b8077f4a1ec1bd45111adee
Markdowna2b201c1a32daeeed168bf168490c221e1f44afce164e1d3e35ceb7e04fe5073
PDF
Publication page24e7807c3218bcfca548878557ceb07cb6948bb038c298135b6ec2c77b427806
Manifest26706c16306c93883d4474ebc912cc1ac9182a840f9887d93dc7b07bdea4e759

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
SignatureOa3l71jAly7Ll2HRJ+WALxAQO0MqQaHYkVPjaje3AoW3iaAyqCeRH0IMsPe//q1bbBGsq9eZCt98iJnlbPSoBw==
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

2026-09-17T10:07:20.093520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077753
observed 24e7807c3218bcfca548878557ceb07c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:20.074445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077753/manifest.json
observed 26706c16306c93883d4474ebc912cc1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:20.053450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077753/publication.md
observed a2b201c1a32daeeed168bf168490c221...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:20.030187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077753/publication.txt
observed dd98a9060dc287f4aaf3df6c357db544...
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.