OpenTechnical

OT-2026-000080183

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two 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-2026-000080183) never changes.

Identity and time

Publication numberOT-2026-000080183 · never reused
Internal UUID01a0ae96-7e76-7f3d-9213-7da91af3aeb7 · 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-2026-000080183
StatusPUBLIC

Content hashes

Canonical text112d76d67a8933837965a0cc5ef6ba36295b55815e6ae24c6b9f3761946d3038
Markdown2af4f5c85377d0a827faae1cbea238a818114d9e3fb692265111c669f44bad5e
PDF
Publication page2b1c49d2cab586dae525962bd4a4dbbcae06a24a43f7169340cd50cd4c383c6c
Manifestca022c45c0154af462dab3b0db7c6bb69f226d5bd0445f84fcc842735f6f477f

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
SignatureiSy8punYvVp1OVym9XxHbOyflyVBQ9qaHnUUxgKVX5Fd/jHsiHtkBKdgI16uVwtyXq2iA18LtLZolDgq+WMJCw==
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

2026-09-17T10:02:37.297646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080183
observed 2b1c49d2cab586dae525962bd4a4dbbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:37.278345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080183/manifest.json
observed ca022c45c0154af462dab3b0db7c6bb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:37.259801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080183/publication.md
observed 2af4f5c85377d0a827faae1cbea238a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:37.242020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080183/publication.txt
observed 112d76d67a8933837965a0cc5ef6ba36...
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.