OpenTechnical

OT-2026-000077783

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, three 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-2026-000077783) never changes.

Identity and time

Publication numberOT-2026-000077783 · never reused
Internal UUID01a0ae95-2ed0-7b5b-a925-8df141b624c0 · 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-2026-000077783
StatusPUBLIC

Content hashes

Canonical textb514c1fff7b70e1b68db503d9e07cdcff21ecc9dd12758320cfcbcc01251ffed
Markdownde4dad2af3e2fa17f7afea7710de90170ed4f5081bdec3fc41b131de12d87de4
PDF
Publication pagea605d9efd2cda40ab01325d7f21a4209b528be8c86cd355235fc7d79bd73ab5f
Manifestf91ae264e9ef50563783210a5f258c96d0ba6fa160f2abb028b24fa6d3940f00

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
SignatureYDZo3yPa2xIxZ5mud9fg5iIll2fnXy5eftEuBTNEYgkWS5e2mDHqyGGAgeyQBjDCRE19XnFpsJk/9r3eAKC6DQ==
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

2026-09-17T10:07:22.152564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077783
observed a605d9efd2cda40ab01325d7f21a4209...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:22.132632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077783/manifest.json
observed f91ae264e9ef50563783210a5f258c96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:22.115032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077783/publication.md
observed de4dad2af3e2fa17f7afea7710de9017...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:22.094926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077783/publication.txt
observed b514c1fff7b70e1b68db503d9e07cdcf...
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.