OpenTechnical

OT-2026-000077716

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, vented after 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-2026-000077716) never changes.

Identity and time

Publication numberOT-2026-000077716 · never reused
Internal UUID01a0ae95-2ecf-7442-85b9-918f17e711a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077716
StatusPUBLIC

Content hashes

Canonical textf17651a04d735d9486f2b500b2913124043d50615db85c1b787d6209a0fe973a
Markdowne68259e768486f0a20a6d5419ae3f4a4e13c7e71d24bc7164bf8c38a1b7aa321
PDF
Publication page27753bc9287ff83629a741f8a33a0e3da30a63bd638141fc9e02944c04cab289
Manifest4a6f63a2d5e11cdb10cf410b8c994848f9572cad49e518af0b3f33388a1386ef

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
SignatureCcrVQ7V48SBnh9NK6Ve0k74nJCT6o1XNa/DrK2dc3RaLOQ+Q/cx0auMCLNn605LMQFjhuleJcAGMvOzTTHynDg==
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

2026-09-17T10:06:56.110791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077716
observed 27753bc9287ff83629a741f8a33a0e3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:56.091251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077716/manifest.json
observed 4a6f63a2d5e11cdb10cf410b8c994848...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:56.046651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077716/publication.md
observed e68259e768486f0a20a6d5419ae3f4a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:56.002990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077716/publication.txt
observed f17651a04d735d9486f2b500b2913124...
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.