OpenTechnical

OT-2026-000069719

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six 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-2026-000069719) never changes.

Identity and time

Publication numberOT-2026-000069719 · never reused
Internal UUID01a0ae90-b52c-71c0-b556-12cb1ea1db0a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069719
StatusPUBLIC

Content hashes

Canonical text0ad41d0e2afb912b6779548cdfad0c163f4360731b805e84f641d7716baf8ea8
Markdown079335e6cf16160c2192ec9e4707c687896704e697aec88e105543a8a0bfe90e
PDF
Publication page31e6f98d89d823d19cf580889094ae63d7ea2365de3d2c0a205309046363b992
Manifest77b267268adb3507771d447412e1ac7ba11d7ecebe00c5c96b281177af18236d

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
Signatureb1wfCXrL361VquSKXajChd25aMrxejEMyC3SWRbHZY/10/h3fywAF+WtJ6HpF5KuUDEmMmoLcmIyQTTxhG0dBg==
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

2026-09-17T10:28:29.371057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069719
observed 31e6f98d89d823d19cf580889094ae63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:29.354274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069719/manifest.json
observed 77b267268adb3507771d447412e1ac7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:29.337182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069719/publication.md
observed 079335e6cf16160c2192ec9e4707c687...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:29.320360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069719/publication.txt
observed 0ad41d0e2afb912b6779548cdfad0c16...
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.