OpenTechnical

OT-2026-000089764

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, two stage ejector, 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-2026-000089764) never changes.

Identity and time

Publication numberOT-2026-000089764 · never reused
Internal UUID01a0ae9c-1a22-7e6b-b527-580187c6b269 · 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-2026-000089764
StatusPUBLIC

Content hashes

Canonical textee60931461b1368c6d183dee1360422df63eb7edb87166b173173fbc1a09ae88
Markdowna7bc2540a5024385d0cf655c1bfc008b1f3ce76cef24d8b11b409e687ada2454
PDF
Publication page66d7b84648ed55a6522f3c24eb172d276bcc74bae99ab250098eb9bfa9010061
Manifestb61375edb7c86401e71a3f6ab52d4222b164201c55375fce3670160c955a4a8d

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
Signatureb9AHnvKsoNTk0bKZc0AEXpXRJ3VGgAPsbtJmTX291BhxXCxEsxz2bk5kVQkqmx3zCkPMB26c/x+em2LyohwwBw==
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

2026-09-17T09:46:51.053535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089764
observed 66d7b84648ed55a6522f3c24eb172d27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:51.035700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089764/manifest.json
observed b61375edb7c86401e71a3f6ab52d4222...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:51.017035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089764/publication.md
observed a7bc2540a5024385d0cf655c1bfc008b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:51.000828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089764/publication.txt
observed ee60931461b1368c6d183dee1360422d...
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.