OpenTechnical

OT-2026-000089369

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, single 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-2026-000089369) never changes.

Identity and time

Publication numberOT-2026-000089369 · never reused
Internal UUID01a0ae9b-db01-758c-9bc4-dac6ec60f209 · 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-2026-000089369
StatusPUBLIC

Content hashes

Canonical text54c66dd792cc504d081c301a53f0429ce91d0d2e0f209c395ed2797f57d9893b
Markdown8fb3fc49f57e24d293e272cedfdfd9d0d068dcd2f214c01fcc861d0c6584fd94
PDF
Publication page5a57a5860f6b795566331d584b515562b9b44d07df81256278cb660b256a4156
Manifest27d12f82a34f50f5adf24eee1a3e46a0ee38cc6d678595122f2b472af7022920

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
Signaturenhwhwo5XpBGXeYqW9lYvV3n0XHf/Nl48nwPkXjHjteL2q4m15clW2Uro6ByMVYi/XIKBfEiod2KkNLQwuKrJCw==
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

2026-09-17T09:47:30.307096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089369
observed 5a57a5860f6b795566331d584b515562...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:30.290538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089369/manifest.json
observed 27d12f82a34f50f5adf24eee1a3e46a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:30.272028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089369/publication.md
observed 8fb3fc49f57e24d293e272cedfdfd9d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:30.254120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089369/publication.txt
observed 54c66dd792cc504d081c301a53f0429c...
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.