OpenTechnical

OT-2026-000069605

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000069605) never changes.

Identity and time

Publication numberOT-2026-000069605 · never reused
Internal UUID01a0ae90-b52c-78c1-94c2-5cee31ac81e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069605
StatusPUBLIC

Content hashes

Canonical text523dcd49b747255afcff6983d79118c564121c9fca7f6819b8b1e4b5c71689a2
Markdown4e135ffe189b0fdcf1cd1335486e5b78146f7af0151c79a7d2c2aa546b82c169
PDF
Publication page98137c2895aed8ce633f217e4c5823b8d7cfa82dcf53d877c7a061a7394c7a7a
Manifest037af7fa3b50c868039da9f1a65404504019f2a0a170c8767e8b9755a3b0fb1c

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
Signaturejd8ldsOvnl5f3ikt/E4M8K2dJgs4YZkQxzgho/SoYCcHRIdePWpRbtQzuPxeONf2LlAoEXmr85VTVZsKjiGMCw==
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

2026-09-17T10:28:15.990520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069605
observed 98137c2895aed8ce633f217e4c5823b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:15.973766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069605/manifest.json
observed 037af7fa3b50c868039da9f1a6540450...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:15.956430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069605/publication.md
observed 4e135ffe189b0fdcf1cd1335486e5b78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:15.939947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069605/publication.txt
observed 523dcd49b747255afcff6983d79118c5...
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.