OpenTechnical

OT-2026-000090030

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six 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-2026-000090030) never changes.

Identity and time

Publication numberOT-2026-000090030 · never reused
Internal UUID01a0ae9c-428e-7b5e-839e-d78ada4076af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090030
StatusPUBLIC

Content hashes

Canonical text6be6ff1bdc51eb79d5d9c85e3a76fffe16940b4fdb61f012537ae7a7f9350b60
Markdown4764093da1ff977676c5e60b6e8387c6a4a5480e303cb004f2d81ec5647a1fe7
PDF
Publication pagea7007d743245f3c9f86e081687a9922ecbe815759805180dcfef49b271270b1d
Manifest1f4e20c3431bf08a41df6451628ef44c9ca856aae271dafb0e1fa1d4bbf360ac

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
SignatureJndkGAy9NN4+qQhxX4YrTEPeeePIVyts/YExv6EHEQPwn/AX7/P2qr8Nu4yonYeN/PAXySV5M7DOwZidpAfFCA==
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

2026-09-17T09:45:25.904829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090030
observed a7007d743245f3c9f86e081687a9922e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:25.887660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090030/manifest.json
observed 1f4e20c3431bf08a41df6451628ef44c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:25.867620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090030/publication.md
observed 4764093da1ff977676c5e60b6e8387c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:25.848664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090030/publication.txt
observed 6be6ff1bdc51eb79d5d9c85e3a76fffe...
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.