OpenTechnical

OT-2026-000090017

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, pump fed, 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-2026-000090017) never changes.

Identity and time

Publication numberOT-2026-000090017 · never reused
Internal UUID01a0ae9c-428e-78d8-8500-13cd80bfeaf3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090017
StatusPUBLIC

Content hashes

Canonical text3498ace5bcafe9756635776b1bd048d4cb2b5a04bcfeee4c165a9f536efbd788
Markdown7571fe853e71e3134cf2513b6bf4977e26b6638787598e6aaaeb5124b88282a1
PDF
Publication page2224ec2fcad82da250af3d29ee7b97d0e28a5c5f5877118128df1570f66ed73c
Manifestfc1e93cd0c71f7a27a19dad7aab1b62851f1ebab4bc3c9f4d3d142d42ec3d4d7

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
SignaturegTIRNvnYn31vaxWScZNanzLvWHeWkkrrzAu4AgPGqtpU5JgNfpd22GzLlEvgqptnr2YVFPisZtzkv1JYgHPNAA==
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

2026-09-17T09:45:24.772664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090017
observed 2224ec2fcad82da250af3d29ee7b97d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:24.756068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090017/manifest.json
observed fc1e93cd0c71f7a27a19dad7aab1b628...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:24.738530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090017/publication.md
observed 7571fe853e71e3134cf2513b6bf4977e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:24.720171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090017/publication.txt
observed 3498ace5bcafe9756635776b1bd048d4...
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.