OpenTechnical

OT-2026-000080797

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, 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-2026-000080797) never changes.

Identity and time

Publication numberOT-2026-000080797 · never reused
Internal UUID01a0ae96-b974-7181-a8a1-9c1bb61ee555 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080797
StatusPUBLIC

Content hashes

Canonical text2eeeb7a741b9985501fcf89c4984f10bbbdd79a5b55f3ca64a96f8103c6987b5
Markdown2ff84c984272c3c90f26c995bfffdc590ca60059e04e65d0f447596e3159bf74
PDF
Publication page891fee184b156466af82a6f8e52390f3ee043cb021a3cecdb17328f154f7c474
Manifestc7e4c3f2997e3689093cbbd5383875ddf5fd4b410ebad72e9268f9987e0d95c9

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
SignatureYnUtL29RRQTlEz0nGbaCnj0obAtIdzItPOPA23oUzpS5u2CIZIGtbSsj9mf/CSdyjH4IlRNLSS9Ij1QrHoHSAw==
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

2026-09-17T10:01:58.433129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080797
observed 891fee184b156466af82a6f8e52390f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:58.415848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080797/manifest.json
observed c7e4c3f2997e3689093cbbd5383875dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:58.398295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080797/publication.md
observed 2ff84c984272c3c90f26c995bfffdc59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:58.380546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080797/publication.txt
observed 2eeeb7a741b9985501fcf89c4984f10b...
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.