OpenTechnical

OT-2026-000028168

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, sustained blow-off before set-down

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-2026-000028168) never changes.

Identity and time

Publication numberOT-2026-000028168 · never reused
Internal UUID01a0ae72-a520-72a9-b220-684c39c9ad3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028168
StatusPUBLIC

Content hashes

Canonical text11b171754c5bdc1cf535807bb05458fbeb0a9b36086232d395d288ebcb25d475
Markdown4bbedb4739774a54b59538312222f9095e7840e435c61f1d7f0914636ca006f6
PDF
Publication page56c89dc981880565f57f0b0e4c6f10f11a5314f7242e6aaa42e758b9c0c122eb
Manifesta1e90068ae41b5dec94a94eb60033aa3e811b0daae97657d41813b16098fba02

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
SignatureGmxV5GTvQbEGjd3W9qaPOxOWAkxZ7cfEoSgAXTpzeynfD+GpzrGtO3/Z0dQq4GUsIh09OOnnAOhStOyIc3dAAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:42:31.432752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028168
observed 56c89dc981880565f57f0b0e4c6f10f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:31.412955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028168/manifest.json
observed a1e90068ae41b5dec94a94eb60033aa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:31.393798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028168/publication.md
observed 4bbedb4739774a54b59538312222f909...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:31.367579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028168/publication.txt
observed 11b171754c5bdc1cf535807bb05458fb...
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.