OpenTechnical

OT-2026-000086082

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, single 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-2026-000086082) never changes.

Identity and time

Publication numberOT-2026-000086082 · never reused
Internal UUID01a0ae99-e82b-79d4-8c2e-4a3b635f0596 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086082
StatusPUBLIC

Content hashes

Canonical text972ec7f7f9d76740ba7b277921e23289e202ed52a516f4762a5f7954e1025c0a
Markdown3ef81937aba72b521ecf8cb825b6b6094345eada9980ec52dc0f1f46dca448e3
PDF
Publication pageec85f5ddf5a6bfc1359cd3c84880d43386b274c7f636bb066b10bbbf48b7ba64
Manifest83dd5c0cee2b5217e45813ab967b115abd079f2e89d1e1c4c82e16ef1d8b36e7

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
SignatureJHfYOGIoY018DGpWEOuijkPpZjbZU0ffVC5B0pvnrbHClLzNhHIn/JD/4Q1lRQeRZWEByVaA+/RYWDC+41LfBg==
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

2026-09-17T09:53:43.561611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086082
observed ec85f5ddf5a6bfc1359cd3c84880d433...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:43.544326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086082/manifest.json
observed 83dd5c0cee2b5217e45813ab967b115a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:43.526733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086082/publication.md
observed 3ef81937aba72b521ecf8cb825b6b609...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:43.510585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086082/publication.txt
observed 972ec7f7f9d76740ba7b277921e23289...
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.