OpenTechnical

OT-2026-000079490

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000079490) never changes.

Identity and time

Publication numberOT-2026-000079490 · never reused
Internal UUID01a0ae96-0b91-7758-9cd6-7e644f8acccf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079490
StatusPUBLIC

Content hashes

Canonical texta4712033c1d03dece5a6a6d2349e4beeae0f23be9840def367386ce1c77d562f
Markdown2a77cd033107fdc27969be6150cd9b18fc1ed74f598678f52f6f4698ba578d37
PDF
Publication page24b28d7bd4825d9ef4594c1fc500ea4da0473efcd273bbfc8c22d615d160275e
Manifest57448a958f7caef097191bd356aa4394e825aea53b1ebfbeee08214e91beaaeb

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
SignatureHZtDYHWWoL/4kU/qsASR1ncYatv4eXE286VZasfEExUx3xR8jFNH+Q2cLhLr+4iYRB0kduXU4tk1AOF7MlZTDw==
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

2026-09-17T10:05:06.806910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079490
observed 24b28d7bd4825d9ef4594c1fc500ea4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:06.786611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079490/manifest.json
observed 57448a958f7caef097191bd356aa4394...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:06.767770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079490/publication.md
observed 2a77cd033107fdc27969be6150cd9b18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:06.749994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079490/publication.txt
observed a4712033c1d03dece5a6a6d2349e4bee...
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.