OpenTechnical

OT-2026-000083989

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, 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-2026-000083989) never changes.

Identity and time

Publication numberOT-2026-000083989 · never reused
Internal UUID01a0ae98-0419-74c7-a5c5-92c4fac05072 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083989
StatusPUBLIC

Content hashes

Canonical textca2fcf9ff6c220cae6545f233f081b326d5f91caa17e3755bd0248218d37fdb9
Markdownd0217c65970316b6f90e05e8cd462674ef33c7ac7683da0fcb2bce51f12b1a20
PDF
Publication page5f40430811fb9a405f4f4c5b0db0b4b500796190afabbbefea8c3e23b12126bf
Manifestd4281bddc7f89ec2fd7489a2e87d0c3de75094b05e286a20c2d6037a4ca6577a

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
SignaturepLCZ9jn0uylI2Op9MrFnVmbZMaaz9ZWe9crmAEyAeOGOdq8BpzRsG7L+Ekv7dCduySmurfbVMk/eSG7trxtSBw==
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

2026-09-17T10:00:31.464926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083989
observed 5f40430811fb9a405f4f4c5b0db0b4b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:31.443393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083989/manifest.json
observed d4281bddc7f89ec2fd7489a2e87d0c3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:31.424629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083989/publication.md
observed d0217c65970316b6f90e05e8cd462674...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:31.404817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083989/publication.txt
observed ca2fcf9ff6c220cae6545f233f081b32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:40.628514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083989
observed 5f40430811fb9a405f4f4c5b0db0b4b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:40.613497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083989/manifest.json
observed d4281bddc7f89ec2fd7489a2e87d0c3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:40.599059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083989/publication.md
observed d0217c65970316b6f90e05e8cd462674...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:40.584271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083989/publication.txt
observed ca2fcf9ff6c220cae6545f233f081b32...
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.