OpenTechnical

OT-2026-000068957

Publication integrity record

Three cup vacuum gripper, three 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-2026-000068957) never changes.

Identity and time

Publication numberOT-2026-000068957 · never reused
Internal UUID01a0ae90-6dcd-79dd-8809-c807851d14db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068957
StatusPUBLIC

Content hashes

Canonical textb149803516bdea1b2c275c617a8bc982c8d4fcc7d52beb927c62751d8a36d9bb
Markdowne4330e0245fc3f5dd4f81518def38ba0afd446d9949fdb8bcbb52d403458e363
PDF
Publication pagebd0bf0d7e781a817b6931cc8df9f5de3777e5f6e717e8b32825079ab5b2c6d9a
Manifest00b46ec663e1eb5ed653e9ce205678e8352239fb713e4260598147c1e421abb1

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
Signature8gOQ0CmYGZuTntYD9MzjD+dbdblmTfWh2c4EzFQPkOQ8ol6rHtJo/7fgSAABL4FeKb+WboyRg9s8CInxXQBmAA==
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

2026-09-17T10:28:47.634509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068957
observed bd0bf0d7e781a817b6931cc8df9f5de3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:47.616354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068957/manifest.json
observed 00b46ec663e1eb5ed653e9ce205678e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:47.599725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068957/publication.md
observed e4330e0245fc3f5dd4f81518def38ba0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:47.583347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068957/publication.txt
observed b149803516bdea1b2c275c617a8bc982...
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.