OpenTechnical

OT-2026-000066307

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single 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-2026-000066307) never changes.

Identity and time

Publication numberOT-2026-000066307 · never reused
Internal UUID01a0ae8e-8dc4-77e0-9324-82a48f000017 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066307
StatusPUBLIC

Content hashes

Canonical text44ef26a8dbf2d9747897bfc21cba9abd117e86d9f85959a2a7d734c7ae6aea3e
Markdownf975d44bc6d70e849de68e3944ac1d6229fd4c21b0c5d1bcc2fbfde18a0da186
PDF
Publication paged61588e704a3d985f95c4690ccb573620dab715659f77adffd8d573ed1a18b23
Manifest555bc8c1b4d8ef0ccb547f446adc7be69347662f38e0635787e6b67ac7ede5bd

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
Signature0D0T6fP4/4w2rrb1oALufNMhrqmZO+bmPbciJac07gNbxnXMU8/9JwUIAQ8iPrD/wdXaqVhZ9iEtA8qy/RXGBw==
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

2026-09-17T10:33:29.539317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066307
observed d61588e704a3d985f95c4690ccb57362...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:29.522003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066307/manifest.json
observed 555bc8c1b4d8ef0ccb547f446adc7be6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:29.504823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066307/publication.md
observed f975d44bc6d70e849de68e3944ac1d62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:29.488832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066307/publication.txt
observed 44ef26a8dbf2d9747897bfc21cba9abd...
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.