OpenTechnical

OT-2026-000086463

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, 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-2026-000086463) never changes.

Identity and time

Publication numberOT-2026-000086463 · never reused
Internal UUID01a0ae9a-2c97-7326-af78-1d04bb810604 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086463
StatusPUBLIC

Content hashes

Canonical text5d5b74c7114ecdd66bc5ca8814ca0dd9ea06247aa58f23a711d2400422d286eb
Markdown206f86fdb2cd9515bf3845c987f1da5ed447317107505333eebf68b4267d348a
PDF
Publication page0a11f8febae4a256dbf8e24a0f4526060496bf523c35f652bf9d54091a65ddbd
Manifest20364e315ff9a5a72a2bb428dca4ab2a265bfe1f5fd18beea2710eea2a86f4d2

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
SignatureBNBAdnagHyzG/P10y7LAwFQFe2VzKt+n8vnAFXtSBbXCeU1fCYf2r8wHZH5efTzZRjefGj3MYmFyWoeR4LcmBg==
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

2026-09-17T09:52:16.117028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086463
observed 0a11f8febae4a256dbf8e24a0f452606...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:16.100794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086463/manifest.json
observed 20364e315ff9a5a72a2bb428dca4ab2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:16.082934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086463/publication.md
observed 206f86fdb2cd9515bf3845c987f1da5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:16.064263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086463/publication.txt
observed 5d5b74c7114ecdd66bc5ca8814ca0dd9...
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.