OpenTechnical

OT-2026-000101715

Publication integrity record

Foam pad vacuum gripper, four zone face, single 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-2026-000101715) never changes.

Identity and time

Publication numberOT-2026-000101715 · never reused
Internal UUID01a0aea4-0e16-78eb-81fb-5b92ca0563cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101715
StatusPUBLIC

Content hashes

Canonical textb1bcb8349d385175d9e256004fceb75f610a1ec2020c87a0a13f9125915a6024
Markdown4153c3b2d912c598a0a169938a52ca2849978c667a46ed265c9ae7cb12a1abf8
PDF
Publication pagea75c598e397aad78a1005a53f1436c955a515c45431b886f9921f705ec31dfe5
Manifest8b2174ccf93c3daf5a820f7609b6f5e132b1383b1fc10af683b522b78c25f635

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
SignatureMZ+kOnScfxcGxCdhP/7uOvb8YSfZbHhBTEbNpcVcktBLSXBC+sZiQe41PZV8t09pJ4GxoaX8WdkLekrLwHWPAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:08.702343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101715
observed a75c598e397aad78a1005a53f1436c95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:08.685242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101715/manifest.json
observed 8b2174ccf93c3daf5a820f7609b6f5e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:08.666348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101715/publication.md
observed 4153c3b2d912c598a0a169938a52ca28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:08.647977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101715/publication.txt
observed b1bcb8349d385175d9e256004fceb75f...
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.