OpenTechnical

OT-2026-000079702

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000079702) never changes.

Identity and time

Publication numberOT-2026-000079702 · never reused
Internal UUID01a0ae96-4375-7ef2-9fe9-409f2ef2a19d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079702
StatusPUBLIC

Content hashes

Canonical text3961b4c438fd20491d290cf9eba3bc788a72128cfe5d8b59ee5285b01defffdb
Markdown9f787dfe1e1cfaf25685c1bb244021422a3ce7187a76158ff5670a474012ce89
PDF
Publication page159d23d14f8173f2962dd7f8eec0557dfbf03feb35b4b5d92e2ec4e566c301e7
Manifest8d64b4ffdb30a32fe327b897bec871e20988a4f167b2a855a31f5e7f2e11c1e7

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
SignaturepWo86PMtfDwwcEHmK7NqsJtD/QLaOQPfoBDz+BTFQwoUo7hBBnZ0CqqhNfaSA7HhxR2F2Pd/Zj8rz5njTwprAQ==
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

2026-09-17T10:03:28.589828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079702
observed 159d23d14f8173f2962dd7f8eec0557d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:28.571720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079702/manifest.json
observed 8d64b4ffdb30a32fe327b897bec871e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:28.554466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079702/publication.md
observed 9f787dfe1e1cfaf25685c1bb24402142...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:28.537227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079702/publication.txt
observed 3961b4c438fd20491d290cf9eba3bc78...
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.