OpenTechnical

OT-2026-000091232

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000091232) never changes.

Identity and time

Publication numberOT-2026-000091232 · never reused
Internal UUID01a0ae9c-f16c-70a3-9f78-a94fc5af268d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091232
StatusPUBLIC

Content hashes

Canonical text2d508302b9dc3dc31cb50cdb8542595add3cdc6df0e0c479df9bf1f2462c40cd
Markdownd6a2414c41ae5d13493a346c894c91a415ed950d4e3a3d27f41d3493a59ef0aa
PDF
Publication page849a6a1cfb9ea2298f8b7fa92e4145577bed57535b098daaa398194c9fcf7055
Manifest23a0700446bf916b26aa71996bf86fc06f7f28802ca92e1fa01353ac341f1d76

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
SignatureFInFd0+9CygIYoAutJuhZ+WtPeLO39uWjuWJ2F/93mwYaLNk/Cakl234CVaxvBq2CKW3CLpSveXMeeZ0y783DA==
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

2026-09-17T09:43:24.299512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091232
observed 849a6a1cfb9ea2298f8b7fa92e414557...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:24.284316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091232/manifest.json
observed 23a0700446bf916b26aa71996bf86fc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:24.267584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091232/publication.md
observed d6a2414c41ae5d13493a346c894c91a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:24.248915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091232/publication.txt
observed 2d508302b9dc3dc31cb50cdb8542595a...
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.