OpenTechnical

OT-2026-000069733

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000069733) never changes.

Identity and time

Publication numberOT-2026-000069733 · never reused
Internal UUID01a0ae91-185f-7d13-8564-1362c0219565 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069733
StatusPUBLIC

Content hashes

Canonical text447635d1e085d1cd8f0208a35d7a04e489ced71356a53e6250591951da55be61
Markdown86f08d688cb826498fde62b1c73cde68cfe1aca5c1ccf04c40b8ba563a063846
PDF
Publication page37c049b6efa4393bc1199bcb3796182a165944c6147dc0d03939dfd73e4b6207
Manifest56ec2a2da6f031806cdf485aa83bbb43d57f4c8ee88a80f913115eb1ce20a395

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
SignatureT+MAeAStogDb4QxVG1wqqJWj7MnUgk+yFf7xZs67rUNt/r+NceqUIBrwIn7Re8vU8S3q8yMld0l2EQsOMz8mCg==
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

2026-09-17T10:26:32.797594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069733
observed 37c049b6efa4393bc1199bcb3796182a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:32.780924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069733/manifest.json
observed 56ec2a2da6f031806cdf485aa83bbb43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:32.762964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069733/publication.md
observed 86f08d688cb826498fde62b1c73cde68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:32.746034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069733/publication.txt
observed 447635d1e085d1cd8f0208a35d7a04e4...
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.