OpenTechnical

OT-2026-000078317

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000078317) never changes.

Identity and time

Publication numberOT-2026-000078317 · never reused
Internal UUID01a0ae95-7c27-7db8-b1c9-bdd3950aa943 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078317
StatusPUBLIC

Content hashes

Canonical text4f09d435a63114bf332417a6025cffc7058222a2281891cf645d8a72b32c9b11
Markdowna95bfe2eb075e7cdaa4a541351674a490dcaca482b2cf17f0692ae400ed1d178
PDF
Publication pagef6251434e58d9259e9e2be349d2fd401c21ba93499c9cd1c24f65bdddba98fd3
Manifest474474680b0806eea1155d76f65843bb367442d43f97efaeca56f3f27bc5b974

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
Signatureq5n6TkI5EnaJyaJkaiCfx8d2RruyNdSHvBDgrBeh0V69ZUEA/4Mo7o7ESG+K2l2hr8prSkhQ7N0XADriLmZFDQ==
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

2026-09-17T10:06:17.042312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078317
observed f6251434e58d9259e9e2be349d2fd401...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:17.024474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078317/manifest.json
observed 474474680b0806eea1155d76f65843bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:17.004739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078317/publication.md
observed a95bfe2eb075e7cdaa4a541351674a49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:16.983971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078317/publication.txt
observed 4f09d435a63114bf332417a6025cffc7...
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.