OpenTechnical

OT-2026-000078852

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three 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-2026-000078852) never changes.

Identity and time

Publication numberOT-2026-000078852 · never reused
Internal UUID01a0ae95-ccbd-7e36-8feb-8574020635ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078852
StatusPUBLIC

Content hashes

Canonical text2ed7cba7e43697111da079bf3b5b0e4d6314080f478cb8442945b556347ce2e7
Markdown7bd5262b1162d96bcf491eb2adcbec20e688f0d416070903f18ee3d4399037e4
PDF
Publication page3f1f9590c05f30698a43d91d8836d20bb9e26f7d3f0fd7df77d17240991a2d32
Manifest2db96bde6b17581710aae040b0a0410a99cfded669bb4fd0c98eb9fb7435c9e7

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
SignatureeA+C1RH1RRQn0IBnPsAu8wRfVIUqUv4fUYB2smJyGgFLRn2Q8FFokSsMIExmFNrEMi94ojj7aHcwX2ZHBkUEDw==
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

2026-09-17T10:05:39.066362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078852
observed 3f1f9590c05f30698a43d91d8836d20b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:39.047963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078852/manifest.json
observed 2db96bde6b17581710aae040b0a0410a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:39.028053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078852/publication.md
observed 7bd5262b1162d96bcf491eb2adcbec20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:39.008523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078852/publication.txt
observed 2ed7cba7e43697111da079bf3b5b0e4d...
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.