OpenTechnical

OT-2026-000081483

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, three stage ejector, sustained 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-2026-000081483) never changes.

Identity and time

Publication numberOT-2026-000081483 · never reused
Internal UUID01a0ae96-f375-713f-ba3c-d0c64ec649ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081483
StatusPUBLIC

Content hashes

Canonical textfb962d86a57438fb23dc8ac085e1d24a7750fb7d7bf74b176915db70967f7434
Markdowne3ee41ebf6758771516f87620a92d8653279ef1d8ce30fd4a723ee6ce3049496
PDF
Publication page7992fc2e5740683de199020e14a57b5ad759879cc64443ee5930312514facfae
Manifest256f3d696c0e147be6d7b471bad698bfad48d40ce4fef4919a4e234d93c09104

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
SignatureKZxHKCPq2Yx0RQXhpo8rIcoU4tnbZ+o7J2spzbnso8uj2j3VvPZ81GlgT4lu9Si/s4jtRyu+YWCY3IeKKJ5ZAA==
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

2026-09-17T10:01:39.063356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081483
observed 7992fc2e5740683de199020e14a57b5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:39.046094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081483/manifest.json
observed 256f3d696c0e147be6d7b471bad698bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:39.030625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081483/publication.md
observed e3ee41ebf6758771516f87620a92d865...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:39.011811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081483/publication.txt
observed fb962d86a57438fb23dc8ac085e1d24a...
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.