OpenTechnical

OT-2026-000067516

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000067516) never changes.

Identity and time

Publication numberOT-2026-000067516 · never reused
Internal UUID01a0ae8f-6bda-7348-8dcf-ed5f67ea9eb9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067516
StatusPUBLIC

Content hashes

Canonical text4f59b4d45effcaf4282a73f12bf3e8dfb2383724855bf051acb21e250ee97c1f
Markdown535c5d8895d0b414bfe0f22b6edac419f52d058a154a0f0682ac9c1eabeb6a7b
PDF
Publication pagec5be0c4a1806fd7166516ca08d23af78254cf67464eb19e2c40b0cc1d9882779
Manifeste3b7189e8ad56f715ba05dca7f178ae28d1dea9923cd856b0ba083d8c6e7982c

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
SignatureX+mh5Kk4wV4k8Uk0jFCocpOIM49yIAINgcuYLLF/xZpmto0W/+g38RoJ5cK3nQkG2xk3Rb7jazngCJTRJ0XeAw==
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

2026-09-17T10:31:48.894068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067516
observed c5be0c4a1806fd7166516ca08d23af78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:48.875563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067516/manifest.json
observed e3b7189e8ad56f715ba05dca7f178ae2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:48.858523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067516/publication.md
observed 535c5d8895d0b414bfe0f22b6edac419...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:48.840368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067516/publication.txt
observed 4f59b4d45effcaf4282a73f12bf3e8df...
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.