OpenTechnical

OT-2026-000093095

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000093095) never changes.

Identity and time

Publication numberOT-2026-000093095 · never reused
Internal UUID01a0ae9e-0910-7c6e-9e43-b97f623f1018 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093095
StatusPUBLIC

Content hashes

Canonical text40e986167abc9188e1a5943d3ce247e20f35f77d1b18add8962a1cd54a349ae5
Markdown33981e6093dc43b8c3e2189fba123f2a6f4aa99a2d1876f70dc095eb67034e6c
PDF
Publication pagecfe9f726ec8b957e29d2211494a5aae98879f76a3b5c4643b4d7d0c14e373250
Manifest87d03307b02f44c9858bda5a47fd4c3d155019b637205be78f064fabee2992e1

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
SignatureufgCAx0UY3/uuHNrjwUyuxwUhTOfRGePE7zLVp8lW/hQtv+SPBHyb9wKbI0pj7dv85at2vZ1iBFk5tCXGnLDDg==
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

2026-09-17T09:40:20.903052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093095
observed cfe9f726ec8b957e29d2211494a5aae9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:20.886914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093095/manifest.json
observed 87d03307b02f44c9858bda5a47fd4c3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:20.870785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093095/publication.md
observed 33981e6093dc43b8c3e2189fba123f2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:20.853272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093095/publication.txt
observed 40e986167abc9188e1a5943d3ce247e2...
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.