OpenTechnical

OT-2026-000080653

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three 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-2026-000080653) never changes.

Identity and time

Publication numberOT-2026-000080653 · never reused
Internal UUID01a0ae96-7e79-7586-82a6-5e91ee2f5c05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080653
StatusPUBLIC

Content hashes

Canonical text172a35cf94d236d109ea31f39fe33e98e154118d1e6572c68ee9f15e8d6b1da9
Markdownccbfeaba58e27931f4b2e7a01af81426e186ee68980926715d6d86f7279ac70d
PDF
Publication pagea51a43fa7137392a063d3c77369d23baf3c7acec814d03886ee9590379f609fe
Manifest385c75a4be64531cf10068fe96292ce6b99dbd37d5a25cab70277e8c05dc57bf

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
SignatureKS5jwinjEUmw/gIzO+dWu3D1So2pfAmBPShYQRTP2ZcluzB+LnUKYmqwTBuYFDBMH4AzIBdsrid1LuOkSJEcDA==
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

2026-09-17T10:03:19.505160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080653
observed a51a43fa7137392a063d3c77369d23ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:19.458163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080653/manifest.json
observed 385c75a4be64531cf10068fe96292ce6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:19.430198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080653/publication.md
observed ccbfeaba58e27931f4b2e7a01af81426...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:19.402932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080653/publication.txt
observed 172a35cf94d236d109ea31f39fe33e98...
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.