OpenTechnical

OT-2026-000087115

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, single 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-2026-000087115) never changes.

Identity and time

Publication numberOT-2026-000087115 · never reused
Internal UUID01a0ae9a-9f2d-769a-959f-a6e16a66fd4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087115
StatusPUBLIC

Content hashes

Canonical textd275caecb417821d18da4ccb3e0d64fe5f5aefbd95bc361394b3d37db8733139
Markdown3aabf2c10ae652a2134f2d10913321e565535a80b17edef6b6095e533f757394
PDF
Publication page185817493f7c1021a0c820263702efb358a898e4a8caac39876867a51867970f
Manifest112dc4d67b80fb2ca18aaae6bdb0fcfd0588e6120b87768400f1bedc039f2341

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
Signature3CFk6gdkONy5Hmbujqyo/uoQ6wby4C2DZQ2fwKeFz2yIkdfX4JSjYhfGaO2ZSQiA1iFgrCJsMM68SvdRI1m/Cg==
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

2026-09-17T09:51:22.627140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087115
observed 185817493f7c1021a0c820263702efb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:22.610444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087115/manifest.json
observed 112dc4d67b80fb2ca18aaae6bdb0fcfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:22.594074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087115/publication.md
observed 3aabf2c10ae652a2134f2d10913321e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:22.577393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087115/publication.txt
observed d275caecb417821d18da4ccb3e0d64fe...
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.