OpenTechnical

OT-2026-000033877

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, pulsed 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-2026-000033877) never changes.

Identity and time

Publication numberOT-2026-000033877 · never reused
Internal UUID01a0ae75-a391-74fd-8457-f15adeb8af68 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033877
StatusPUBLIC

Content hashes

Canonical textc6aafecfaa222d192c8729cb2f9bc0c78d8e963b16136215d750b2c36acaa942
Markdown480515aef91ce247b6d4f38ca3535e21059eb63ad15afe7bf79399c9abe1d0cd
PDF
Publication page6d55483fce6db7f8f197c56f30bb6052b6c30897ee06888f2ba9409abc7fb83e
Manifest14caa1ea49c4f8b3f8a9c292094dfe113c70b4c8d5e58d40c0afa458f8fe4c8e

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
Signaturewv7TegMfCVlcPKCYEYw8mg73/VekMLqlw2OUu7/cgRfYy9XzNGuXDOZu0Br2Soow863kzGKM2KS49tRsAhfeDg==
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

2026-09-17T11:31:56.808799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033877
observed 6d55483fce6db7f8f197c56f30bb6052...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:56.789822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033877/manifest.json
observed 14caa1ea49c4f8b3f8a9c292094dfe11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:56.695671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033877/publication.md
observed 480515aef91ce247b6d4f38ca3535e21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:56.678680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033877/publication.txt
observed c6aafecfaa222d192c8729cb2f9bc0c7...
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.