OpenTechnical

OT-2026-000090119

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000090119) never changes.

Identity and time

Publication numberOT-2026-000090119 · never reused
Internal UUID01a0ae9c-428f-739f-9c23-6e93e7d01341 · 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-2026-000090119
StatusPUBLIC

Content hashes

Canonical textc6a5e9e233afdd95d5921e0961c141ab913995d60476a85c100147c716ad07de
Markdown58046a006c77d813554576ae0e54d5e8fc7af0f80f26ac54b89345cff4531947
PDF
Publication page663d2e1a3f20548c58fc160f10562730343dadd200ba6cdd7d9daf332bb52f1d
Manifestf4e42c7f10d6db3f865e6dad3dc48c1211bfc89ba44e4f020d33556d12c0eb04

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
SignatureIorxpBT2TJ8Ru6XaJ7yhAgb/ZNAUcYKzz7TJFyhfmj9GahsRBTLrwQRqPEl15s0VKwJ1pqqsccWSRLzZ9KJYBQ==
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

2026-09-17T09:45:32.977388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090119
observed 663d2e1a3f20548c58fc160f10562730...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:32.957308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090119/manifest.json
observed f4e42c7f10d6db3f865e6dad3dc48c12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:32.938528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090119/publication.md
observed 58046a006c77d813554576ae0e54d5e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:32.918575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090119/publication.txt
observed c6a5e9e233afdd95d5921e0961c141ab...
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.