OpenTechnical

OT-2026-000085613

Publication integrity record

Foam pad vacuum gripper, two zone face, 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-2026-000085613) never changes.

Identity and time

Publication numberOT-2026-000085613 · never reused
Internal UUID01a0ae99-aaad-7c51-8bec-5826efa0c85f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085613
StatusPUBLIC

Content hashes

Canonical text55f22038242d25aaacc2e1baa8ca2d46e5ab5c5d3dca0476f51af4cc16b8b26c
Markdown8f8810ced5db498a34c88dc0caba0e67cee2cbe48c4cec06b062841a2da75c05
PDF
Publication paged540d34feb3942e3f77de3d2559fc1ba8f0820fc18a93228cbacb8951f84a5f6
Manifest7ac74666e164b6759f9b9fb102afeaf95489d33d7512c822b5ef9b9ea97dd338

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
Signature4ESTwiPHI25rZ/3sRdXrlvfYOdY6DEoAVPCQSzeUfI+1ApEYpKjExks8BHvk+Yef9HdXQ3JjgkJNNC62r6lsCg==
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

2026-09-17T09:54:29.617947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085613
observed d540d34feb3942e3f77de3d2559fc1ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:29.600234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085613/manifest.json
observed 7ac74666e164b6759f9b9fb102afeaf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:29.581600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085613/publication.md
observed 8f8810ced5db498a34c88dc0caba0e67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:29.564789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085613/publication.txt
observed 55f22038242d25aaacc2e1baa8ca2d46...
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.