OpenTechnical

OT-2026-000084235

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000084235) never changes.

Identity and time

Publication numberOT-2026-000084235 · never reused
Internal UUID01a0ae98-5b60-7c9c-84e1-b62589c0d18f · 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-2026-000084235
StatusPUBLIC

Content hashes

Canonical text6c976075a06f4f87e6fc13f3e3ff6d01670db40e64f2f422c6d37b0c32c38a45
Markdown7b4d037518f175488490c1e16f2c862d44c0ff74d3ed3762d80c56937be35149
PDF
Publication page22b539b58104b837ecddf1b05284b766cd161d3628e1fcdcc9f393fafe33186c
Manifestc81c478020a319160316d267bdccab81fa80408d0f1bcebe967a160579f5454b

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
SignaturecHnz2kqpmL4bjzrvkfnBXNdgYTMIN1oSGxD9jJgfSDuKJdkc83EHr7RRd7OrJEL9y8ToNtQ05MrYgRQZbF7ZBg==
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

2026-09-17T09:56:01.882870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084235
observed 22b539b58104b837ecddf1b05284b766...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:01.827032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084235/manifest.json
observed c81c478020a319160316d267bdccab81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:01.806398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084235/publication.md
observed 7b4d037518f175488490c1e16f2c862d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:01.759893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084235/publication.txt
observed 6c976075a06f4f87e6fc13f3e3ff6d01...
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.