OpenTechnical

OT-2026-000084255

Publication integrity record

Foam pad vacuum gripper, four 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-2026-000084255) never changes.

Identity and time

Publication numberOT-2026-000084255 · never reused
Internal UUID01a0ae98-5b60-7e81-8c3b-294fc896ecb1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084255
StatusPUBLIC

Content hashes

Canonical text6de4c6ba893ddc2203ab68ab42a5fc50b48ee60a92a2a778c279ef79d03b860b
Markdownccadf9ce46dc89746a07da00015682eefbd413972340f2671597bc464000c2d6
PDF
Publication page507371a86ec66a563bb608a05fce7c7a6780476068a67b62e02e05af73563463
Manifesteb67be7421334c368900909197288972650e18d69d9da985a28a94e2a0ccca2a

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
SignaturekzBwBTp1sI+3rxqH3tZ47HMC0o1X49TtOCzWytxdZ1jGQ/4rtDQetAdFpt+Y+QvYusJ6T4jxVoBF1O9ifN+zAA==
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

2026-09-17T09:56:09.875776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084255
observed 507371a86ec66a563bb608a05fce7c7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:09.857811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084255/manifest.json
observed eb67be7421334c368900909197288972...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:09.839526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084255/publication.md
observed ccadf9ce46dc89746a07da00015682ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:09.817539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084255/publication.txt
observed 6de4c6ba893ddc2203ab68ab42a5fc50...
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.