OpenTechnical

OT-2026-000088378

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, two stage ejector, supply line 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-2026-000088378) never changes.

Identity and time

Publication numberOT-2026-000088378 · never reused
Internal UUID01a0ae9b-5d27-7d11-b5ac-ddb5f8424b46 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088378
StatusPUBLIC

Content hashes

Canonical textcccd3d62adea42ae098805f9489e9f90b1646f28f2842663cbdecb88e34c6b4a
Markdownbadf2f898dabecabe015f29a7dd7bbb77f3abe330261bb546aa8603efcae3f77
PDF
Publication paged02f9e2f80df4f431b7ccc5427bc1dc77a66baef1c52cbe0869156af0f639222
Manifest18021dcf29d375037daea83615c52197cebab80f8e92ec8973ef2df7a0b65548

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
SignaturebgWul7w8ggc4WXQfIwPAYVv1NrnvBpoj7vck4nL7TbSj84A2+dvUh+FTdTGzx5lzgfCxS3CpKiPcJz+veTOuDA==
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

2026-09-17T09:48:43.981043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088378
observed d02f9e2f80df4f431b7ccc5427bc1dc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:43.957595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088378/manifest.json
observed 18021dcf29d375037daea83615c52197...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:43.936891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088378/publication.md
observed badf2f898dabecabe015f29a7dd7bbb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:43.829089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088378/publication.txt
observed cccd3d62adea42ae098805f9489e9f90...
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.