OpenTechnical

OT-2026-000084449

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-2026-000084449) never changes.

Identity and time

Publication numberOT-2026-000084449 · never reused
Internal UUID01a0ae98-5b63-74e2-b14f-3fb479e3eb1b · 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-2026-000084449
StatusPUBLIC

Content hashes

Canonical textcfdfa0279bc03aaf1c2d434135f2aeb1838d69b8a066f3e960a7911dff8eef6c
Markdowne96a80815f1d587c121ba752406d807ff093901c01ce567168da0799e79a7d5c
PDF
Publication page5867715bbe79efb567b6f8d43265945d51d6fc0b7f978202830b1ec44914719e
Manifest4009f5d65ee9a2d7f006ee294a813c1c8100e23539aa3443208bbe1679b25cac

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
Signature+Ag+UQFOrn/2x6HDnez7LGZRbCvwTciu+M55yP/FwoBqlvq7dL831AvJy/mhsV020JSgh+TCsKVaXlMm03oKDA==
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

2026-09-17T09:56:24.482663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084449
observed 5867715bbe79efb567b6f8d43265945d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:24.464367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084449/manifest.json
observed 4009f5d65ee9a2d7f006ee294a813c1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:24.435315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084449/publication.md
observed e96a80815f1d587c121ba752406d807f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:24.419183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084449/publication.txt
observed cfdfa0279bc03aaf1c2d434135f2aeb1...
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.