OpenTechnical

OT-2026-000087254

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, three 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-2026-000087254) never changes.

Identity and time

Publication numberOT-2026-000087254 · never reused
Internal UUID01a0ae9a-cd4d-7a2d-99e1-2fe15fdce736 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087254
StatusPUBLIC

Content hashes

Canonical text2b0d19c8e4bbe6dc1dba7ae4ae8d71772c3ed11fa9d80fa2cd006452f679e6b9
Markdownee27dbecc19b3c794a43c3af2d83c7188fcc9a2afdafc70dd0c2924242727987
PDF
Publication paged7881ba0609291577cebfdf7eb20c11a04a333b634e7516d97dd361694aed717
Manifest3140514386b9a4a120258602dbe55b5aae4d8e81845f5283827959c4bc58975b

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
Signaturevsi51QLOjR5StkWdDeWEbPxQd/vCHwczMLeFezl2hYNyn22vRbJ9tCkPoB6hvs5G0OTNe8fQikrSq0869cXTDQ==
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

2026-09-17T09:50:22.104710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087254
observed d7881ba0609291577cebfdf7eb20c11a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:22.081838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087254/manifest.json
observed 3140514386b9a4a120258602dbe55b5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:22.057264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087254/publication.md
observed ee27dbecc19b3c794a43c3af2d83c718...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:22.055244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087254
observed d7881ba0609291577cebfdf7eb20c11a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:22.038689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087254/publication.txt
observed 2b0d19c8e4bbe6dc1dba7ae4ae8d7177...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:22.036258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087254/manifest.json
observed 3140514386b9a4a120258602dbe55b5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:22.019106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087254/publication.md
observed ee27dbecc19b3c794a43c3af2d83c718...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:22.001125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087254/publication.txt
observed 2b0d19c8e4bbe6dc1dba7ae4ae8d7177...
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.