OpenTechnical

OT-2026-000050562

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000050562) never changes.

Identity and time

Publication numberOT-2026-000050562 · never reused
Internal UUID01a0ae82-5c49-7b9d-84ea-cf576d37af26 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050562
StatusPUBLIC

Content hashes

Canonical text31c1043dca90a88aaa5539e84df262267655559120e4afb0e62b64a0a903fcd4
Markdownc0058116b8e945735ec2ea0ff149d4382665fb9a23e71693e8661f204e9e56f6
PDF
Publication pageaa5a709d89f9c51af0264d9ceacf8c6a3445d31db482b17c3f6739ba34d1844d
Manifest88795474cb81fb5dccf905f962d432cf7ad9fd2b3eea7c65c073c6d8ce717131

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
Signature8qFMAsWk/v/aeZxoPFdgMrZRha8q2Njl+yYXNVyJcoEERGNnEokJ/kC5nGPakrWjgYeuig/SfvHzbMzD5/6lBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:01:39.694798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050562
observed aa5a709d89f9c51af0264d9ceacf8c6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:39.677546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050562/manifest.json
observed 88795474cb81fb5dccf905f962d432cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:39.659671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050562/publication.md
observed c0058116b8e945735ec2ea0ff149d438...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:39.642449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050562/publication.txt
observed 31c1043dca90a88aaa5539e84df26226...
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.