OpenTechnical

OT-2026-000089302

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000089302) never changes.

Identity and time

Publication numberOT-2026-000089302 · never reused
Internal UUID01a0ae9b-db01-728c-9cc8-7816be64c50e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089302
StatusPUBLIC

Content hashes

Canonical text5972ca13a7632873fe90df45f13192999e63d5ca461c56d4f098459ac8a33198
Markdowne072a6b645b926cfe05b815c5ec8e6ce566de6727918e39669e9682a820b34a1
PDF
Publication page1a4935c4211553b712f3ac49332b8d570b183d3384bd00c5be6222178ceef0c4
Manifest568e65e66c1f70dd02923bfee3f734e2c99f9ab7fbe69e28c7b2bb9bc4ea34ae

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
SignaturewqyX3gLnSHukO3w9fw0mSEbeh5tbUrP2wV+hs/cIoETqljjuVKlzcGZwQVLCbnKUNcAeNwjW+jsv4xc8Rj7KCg==
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

2026-09-17T09:47:21.159265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089302
observed 1a4935c4211553b712f3ac49332b8d57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:21.140809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089302/manifest.json
observed 568e65e66c1f70dd02923bfee3f734e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:21.122205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089302/publication.md
observed e072a6b645b926cfe05b815c5ec8e6ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:21.104549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089302/publication.txt
observed 5972ca13a7632873fe90df45f1319299...
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.