OpenTechnical

OT-2026-000084455

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, sustained blow-off before 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-2026-000084455) never changes.

Identity and time

Publication numberOT-2026-000084455 · never reused
Internal UUID01a0ae98-5b63-7a7f-858e-f5bbc9a507dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084455
StatusPUBLIC

Content hashes

Canonical textddfa90e1c7fd1fbe7a0a728218da9c057a3646ebb7aa2f1a69a561376ea8dcd9
Markdownd62eeda8864b6b08a57641d74f9aebdb7361b51bf9e336f24e85f30336fe2269
PDF
Publication page77715bcbc18e5cbec087fc2c192730754645dea5525d801e488cd7c2703675f0
Manifest48002380fe85cd553319537d67b0201073f47b258f70e351f391e6ed3dbebf32

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
SignatureoOnLtLPL9KW1IMjV4EUctAFrXPXaYQQ90jQEyQFHR/6+Vk4GqhSE0IMmqwdc3VcobWFUyYu2kdckUO5ghQkhBw==
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

2026-09-17T09:56:24.955756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084455
observed 77715bcbc18e5cbec087fc2c19273075...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:24.937556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084455/manifest.json
observed 48002380fe85cd553319537d67b02010...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:24.915674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084455/publication.md
observed d62eeda8864b6b08a57641d74f9aebdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:24.897516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084455/publication.txt
observed ddfa90e1c7fd1fbe7a0a728218da9c05...
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.