OpenTechnical

OT-2026-000089702

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, three 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-2026-000089702) never changes.

Identity and time

Publication numberOT-2026-000089702 · never reused
Internal UUID01a0ae9c-1a22-7aa2-ad0b-5d4e1b3ed782 · 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-2026-000089702
StatusPUBLIC

Content hashes

Canonical text2d218e04640e6ef23b5b77e7b18b99402f21e7609de1baafd3eb84ea06f190fc
Markdown2768187083803c26414daee6ee1b911511fbb64326a708fdae29345511d0e1fb
PDF
Publication page45f3be1fd72e9fa7bbebf4fc6fde36f274c9915c5370de4d3281578f0c710031
Manifest5afe22714bedf43c482352e14ea38f55f458bc2f6ad5e58ecc926b25defd4e58

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
SignatureYCoN648PPY+zzrb8sRy0nHlBc5vyrAXNmWLUu+SUeZDU6goJlHtI/Jatcoys0jN1nuhV8169IEUZObrXVHojBQ==
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

2026-09-17T09:46:42.181331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089702
observed 45f3be1fd72e9fa7bbebf4fc6fde36f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:42.162689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089702/manifest.json
observed 5afe22714bedf43c482352e14ea38f55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:42.146009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089702/publication.md
observed 2768187083803c26414daee6ee1b9115...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:42.128851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089702/publication.txt
observed 2d218e04640e6ef23b5b77e7b18b9940...
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.