OpenTechnical

OT-2026-000081075

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two 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-2026-000081075) never changes.

Identity and time

Publication numberOT-2026-000081075 · never reused
Internal UUID01a0ae96-b976-78bd-89d1-046d484ff776 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081075
StatusPUBLIC

Content hashes

Canonical textdb5278e7a3dfda03655ab8131cdb66702b120d4a621a8afaeb5f83f61840ca08
Markdown393d6f017677b5859c592d747725d13108ff80c7c763d40d110817dbadae11dd
PDF
Publication page27ce7895958ea425dda3c91d9b761ab8d65ef00d9346e0190a32bcb0672c5328
Manifestf5a86f3eeef552cba3a71670d244f34ff4c900bbd21db03011e276c8cf4ea489

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
SignatureeLUp0FDJqF8iexgNgk1KtJx3pPvdDlVrQkcf/U03Cq6RtCdX628ju8UiD/HxinBGh5OG4GRpKSHlTScnSCfwCA==
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

2026-09-17T10:02:22.460221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081075
observed 27ce7895958ea425dda3c91d9b761ab8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:22.441990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081075/manifest.json
observed f5a86f3eeef552cba3a71670d244f34f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:22.425496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081075/publication.md
observed 393d6f017677b5859c592d747725d131...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:22.398680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081075/publication.txt
observed db5278e7a3dfda03655ab8131cdb6670...
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.