OpenTechnical

OT-2026-000072786

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000072786) never changes.

Identity and time

Publication numberOT-2026-000072786 · never reused
Internal UUID01a0ae92-89da-7321-a5b9-119a072a2a66 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072786
StatusPUBLIC

Content hashes

Canonical text754d33cc3487f97b76920b003b389b1c63bd4236712e3881c3bdb14ca7f448b5
Markdown4fc8940f90aa0a6872cbe99cf714fc73976ea0e7b89a2c81871619cd79b27f06
PDF
Publication page38d92d346afe8d03d4f8dd0d58a2a897a562248bf327dfce4c94dc69b094e671
Manifest4cec4316b78c7dd4b9bc14720b6e66a3c64140139160d96f82d745de2361c088

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
SignatureE+lcuprvD0hYd2GOEQZTZNwwBk5gs8Od+Vyz1EWwYD3F6tjo3lj0hKQ84baU36vyypdDWCPeDiI/nx7TXOf/Bg==
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

2026-09-17T10:22:27.996548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072786
observed 38d92d346afe8d03d4f8dd0d58a2a897...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:27.980143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072786/manifest.json
observed 4cec4316b78c7dd4b9bc14720b6e66a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:27.950904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072786/publication.md
observed 4fc8940f90aa0a6872cbe99cf714fc73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:27.869979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072786/publication.txt
observed 754d33cc3487f97b76920b003b389b1c...
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.