OpenTechnical

OT-2026-000078135

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000078135) never changes.

Identity and time

Publication numberOT-2026-000078135 · never reused
Internal UUID01a0ae95-6e8c-7373-bbef-f1f3ee03f6f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078135
StatusPUBLIC

Content hashes

Canonical text502fa0e19a03d00d5fd8e540d3834a42c22bf47a100c68f608f637d7182ab7b5
Markdown0d9b0117fb09e4a5588d2ab5d4e2521abfcb480d96960a133743384a8f80e3be
PDF
Publication page7f81d6cf0b6d16a8cf5514a23ce7c106e08cd7c6da3cf2239a8eefbcff7498eb
Manifesta6ad1d8476caba4d901791b634c1f2446ba8b9ad88bef1698cf9ff1159c7be7d

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
SignatureKlrArCbBLvZPWvRVhqPqbv3vKYPfosoS0zFd6RJJ3x3VzVkDrRuNY3H5iKrnEtmLynTyuXbD8gEeI5euOmSqDA==
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

2026-09-17T10:06:50.827078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078135
observed 7f81d6cf0b6d16a8cf5514a23ce7c106...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:50.809664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078135/manifest.json
observed a6ad1d8476caba4d901791b634c1f244...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:50.789405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078135/publication.md
observed 0d9b0117fb09e4a5588d2ab5d4e2521a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:50.770455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078135/publication.txt
observed 502fa0e19a03d00d5fd8e540d3834a42...
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.