OpenTechnical

OT-2026-000054991

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000054991) never changes.

Identity and time

Publication numberOT-2026-000054991 · never reused
Internal UUID01a0ae86-5e80-7b82-bce8-4dea029a463e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054991
StatusPUBLIC

Content hashes

Canonical textd5aff68cb6dace9d1fd459056c4de43089298e50e96bc636b1bd5473809f40c0
Markdown0e2ffbb2260b84457f19af4345c9ca3d35e16a8d6c530fd30676a909f51e50bb
PDF
Publication page5ab788fee2fa9a0b29f52947b5e3cf1f3957629b259bbd8aa4fbd3e7fa803aff
Manifest8f054cc0ff6a554051d0c8fe41aa82de650ec2ceb32b5cb50122e4a47b3063ae

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
SignatureafsfD7haq1otgn6P3K9iLBPXjm5weLGzzDdeqY1GOzt/n7tFmzy3Wj7t+NBA11kDv2cQah2pwoK9dnhLmyVjAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:07.168996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054991
observed 5ab788fee2fa9a0b29f52947b5e3cf1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:07.149956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054991/manifest.json
observed 8f054cc0ff6a554051d0c8fe41aa82de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:07.131545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054991/publication.md
observed 0e2ffbb2260b84457f19af4345c9ca3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:07.112360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054991/publication.txt
observed d5aff68cb6dace9d1fd459056c4de430...
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.