OpenTechnical

OT-2026-000033161

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, pulsed blow-off 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-2026-000033161) never changes.

Identity and time

Publication numberOT-2026-000033161 · never reused
Internal UUID01a0ae75-4844-7c44-a40f-01c3fe1f6dbc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033161
StatusPUBLIC

Content hashes

Canonical textf8c8f6cd91666efe53216f4a0a306bce0b0af375716fde4245cfdd9c23cafa5d
Markdown53052e800449baf32ca9f57118d8732d0d6e10cd7a1148bb975a3d00be7b7ece
PDF
Publication page0629c61a0e8ff603eeb25e825e95e7c603dc703b79d7d8070bd7ccc6765eacde
Manifest744806086395a419e856174d9cfbc0bcbf7b7edc8a854c8dc60ed4968bccdf1f

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
Signature3tduJuMbaNc54aElMnazdR2PMdy5gc/E6fa6TiYyJ8WTVyX/1yWJlQeBgz3J+k4KfRyDpZibm4C2VXjXUlzZAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:32:51.027335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033161
observed 0629c61a0e8ff603eeb25e825e95e7c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:51.011084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033161/manifest.json
observed 744806086395a419e856174d9cfbc0bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:50.991610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033161/publication.md
observed 53052e800449baf32ca9f57118d8732d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:50.971283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033161/publication.txt
observed f8c8f6cd91666efe53216f4a0a306bce...
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.