OpenTechnical

OT-2026-000069597

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, three 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-2026-000069597) never changes.

Identity and time

Publication numberOT-2026-000069597 · never reused
Internal UUID01a0ae90-b52b-7c10-85b9-797c5465774b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069597
StatusPUBLIC

Content hashes

Canonical textd8bf58ffb2f2bb069cf0a154b862731405196db43fcca9645bbce8f86d7bbfcd
Markdowncf29f621e71b533454f83d2e671daf79358f551b3967dcdb31893ed8849bc1c3
PDF
Publication pagea437dfb38b9205fba113e8d95e6864bc18c57dd1c21546b50611e4714af9dc3c
Manifestf850c72aa78e287a2845c95beb111b3e056fc2c70e2657ebfb6506773cc355bf

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
SignatureAU/eQYrZAHKhO7z+OisyQWhqzQfqs5udTmUp0tosOX0MWwg71I3dAMOEZR7q98La9ZruOaoFEVBxKCLqLjHeDQ==
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

2026-09-17T10:28:15.468194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069597
observed a437dfb38b9205fba113e8d95e6864bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:15.448548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069597/manifest.json
observed f850c72aa78e287a2845c95beb111b3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:15.428692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069597/publication.md
observed cf29f621e71b533454f83d2e671daf79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:15.410467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069597/publication.txt
observed d8bf58ffb2f2bb069cf0a154b8627314...
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.