OpenTechnical

OT-2026-000089809

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum 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-2026-000089809) never changes.

Identity and time

Publication numberOT-2026-000089809 · never reused
Internal UUID01a0ae9c-1a23-771b-a67f-d0b99321a596 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089809
StatusPUBLIC

Content hashes

Canonical text778d80b8a17982a7e02637a33dc9ca9470e0a25fa1c3875ea5ee5148fc86fb2a
Markdown4ae75a19168662afb16aabde131ebe3276a1f4c405f820e6680a63b925858847
PDF
Publication pagea076bfacbc2c1b15299b3da5f763d570e08bbabdbe7bc6ccd3fd89c7a8de1aa1
Manifest517744c61141f4a8d1eb33bd2eda4b4ecb68c2d1c3214adea9a97ced1b146345

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
Signatureg8apC6xcZVe+nQC3/d5N0U/TFpcCLNNLfaAZNQPi8dBhj1Ejao4pH0FIv0adXHFM19NiC5bC7QszxAgtElcjDw==
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

2026-09-17T09:46:25.145757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089809
observed a076bfacbc2c1b15299b3da5f763d570...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:25.126493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089809/manifest.json
observed 517744c61141f4a8d1eb33bd2eda4b4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:25.103977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089809/publication.md
observed 4ae75a19168662afb16aabde131ebe32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:25.080819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089809/publication.txt
observed 778d80b8a17982a7e02637a33dc9ca94...
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.