OpenTechnical

OT-2026-000089028

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, three stage ejector, supply line 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-2026-000089028) never changes.

Identity and time

Publication numberOT-2026-000089028 · never reused
Internal UUID01a0ae9b-8f12-756e-8315-936dc3857650 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089028
StatusPUBLIC

Content hashes

Canonical text45013d0cd0332fbf108fe75b77205ebccfb2b6f82ceae043e2be26be31a94852
Markdown55901fa9cfcac3c346c7c9c5447243fc9381f44d9a0a5d736195fb587514ab3b
PDF
Publication page7dee0d15961fd17a8153186cb387f90188e09c31b1bcf3a7746b44389639f248
Manifest17a3aa83348dffdcdb4c077df09939cd49a5480626ad5ee943690d1e2c0de12d

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/ne2PUlGbWhBw6dbdIeTbmNuAgSONTSz0xBoiooYS6q4lmYEsMfv9IArLWWWxk0pJCoc1vhbb/feqHfbw7mAw==
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

2026-09-17T09:48:32.215155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089028
observed 7dee0d15961fd17a8153186cb387f901...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:32.198406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089028/manifest.json
observed 17a3aa83348dffdcdb4c077df09939cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:32.181880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089028/publication.md
observed 55901fa9cfcac3c346c7c9c5447243fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:32.162630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089028/publication.txt
observed 45013d0cd0332fbf108fe75b77205ebc...
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.