OpenTechnical

OT-2026-000081863

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, two 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-2026-000081863) never changes.

Identity and time

Publication numberOT-2026-000081863 · never reused
Internal UUID01a0ae97-0f75-71ca-9387-aaad43a648c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081863
StatusPUBLIC

Content hashes

Canonical text88fd2a64c95772b68d52dc40e0aa58a01246cb5edaf722adb772f0124f9e73aa
Markdown0c24ca36c5a7990a17f925fb7b697d71da81aad545da0399925132729b6f9b67
PDF
Publication page5d2947598f585d374458e48cc381d39111947b9770e00716ea067fa89ed132a2
Manifest016624fd5e3884fa76fd5a935432bc23fc5f11ac18171ffc5eef7b7d44607fbf

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
SignatureGJC7OnDnwj/P+NKYF4unSKmWYyE0dF4pATIXcAYcwUnZeNLU97CFhVjg+m75NQ1rkvxBRNEsx63lnXsdrc1NDA==
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

2026-09-17T10:00:58.747832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081863
observed 5d2947598f585d374458e48cc381d391...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:58.731806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081863/manifest.json
observed 016624fd5e3884fa76fd5a935432bc23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:58.714686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081863/publication.md
observed 0c24ca36c5a7990a17f925fb7b697d71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:58.697873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081863/publication.txt
observed 88fd2a64c95772b68d52dc40e0aa58a0...
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.