OpenTechnical

OT-2026-000089411

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000089411) never changes.

Identity and time

Publication numberOT-2026-000089411 · never reused
Internal UUID01a0ae9b-db01-7e41-ae53-bee9c81cdc64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089411
StatusPUBLIC

Content hashes

Canonical textfaf92ab6bfd0e74981c0091f605b6fb2a6ad600ed2edb33114a29ca3977ecf1e
Markdown27c1d5c33757a9190549ea06c02677a63f4ddf3afbf169818766be5ac547b54c
PDF
Publication pageb37a4fbfbaa9e9c9c5b84ac848f5271aba658591240f30950ca29e90d915d629
Manifest444ff8f78f889c7d1deb048ba53603f235d27ea8123ad19870953064396000e6

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
SignatureSgN3p2Ol1yzBohwP6U6e3RBYzIBIzNP+0iRZN8LTgQDZgGu9se3Z+ZKcD5ZRwXGDhZpv4AfPSelQ8lRvz1FhBw==
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

2026-09-17T09:47:33.176382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089411
observed b37a4fbfbaa9e9c9c5b84ac848f5271a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:33.160682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089411/manifest.json
observed 444ff8f78f889c7d1deb048ba53603f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:33.144413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089411/publication.md
observed 27c1d5c33757a9190549ea06c02677a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:33.127228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089411/publication.txt
observed faf92ab6bfd0e74981c0091f605b6fb2...
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.