OpenTechnical

OT-2026-000087120

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, 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-2026-000087120) never changes.

Identity and time

Publication numberOT-2026-000087120 · never reused
Internal UUID01a0ae9a-9f2d-794a-baa8-bc59f7770044 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087120
StatusPUBLIC

Content hashes

Canonical text7e370acb5ae886a1fba95aa670c3feb892b28c6339fdc4f8df2b49d72281d19a
Markdowne59c9fc49e3f902823937724f8e2b1309537691afb7a7329664746fa656015db
PDF
Publication page66ac45a25e6a9bdf239079b5d76834100639ef47c43db6d17fed98853a480008
Manifestba96f345881a6d0e88926705817f5d777f7e8c8de04357e462c428dc3cede434

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
SignaturedtLuMrD03jzl4NcVVHkRcSQclEGjlbml3Yeaj+WJaff0dqfK+lNKBDmtQT2vit2MxBqRYTxWn6mxsjV3wAEhDw==
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

2026-09-17T09:51:22.950416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087120
observed 66ac45a25e6a9bdf239079b5d7683410...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:22.932866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087120/manifest.json
observed ba96f345881a6d0e88926705817f5d77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:22.916801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087120/publication.md
observed e59c9fc49e3f902823937724f8e2b130...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:22.900779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087120/publication.txt
observed 7e370acb5ae886a1fba95aa670c3feb8...
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.