OpenTechnical

OT-2026-000065515

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, pressure sensor per zone, pulsed 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-2026-000065515) never changes.

Identity and time

Publication numberOT-2026-000065515 · never reused
Internal UUID01a0ae8e-46f9-7ac1-bab7-3d4089e378b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065515
StatusPUBLIC

Content hashes

Canonical textf9dd49f07db104bf51b7d8ab8766a4de63b7c674a03c33b2c15cceff094ae450
Markdown14e6c8095fd06a2751e0233eacd6709607cad965c65ce550c761cb1a96375c41
PDF
Publication page32cfbd24f998c54a88f830f0ae127007657196c4ab9fe79129228f93306706ba
Manifest1c6967ec2384492634a493289d4f7c6dd08e231171f94332fe28a86d993b4746

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
SignaturebroN4MSvav33o204if4esD/gpp8Y9UxrY56AB7bCtPpDPW43A0X2sEZBMy3L8z+WW0S3m2xuylnYL5BYlp4cBQ==
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

2026-09-17T10:33:48.634807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065515
observed 32cfbd24f998c54a88f830f0ae127007...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:48.617721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065515/manifest.json
observed 1c6967ec2384492634a493289d4f7c6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:48.600470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065515/publication.md
observed 14e6c8095fd06a2751e0233eacd67096...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:48.581854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065515/publication.txt
observed f9dd49f07db104bf51b7d8ab8766a4de...
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.