OpenTechnical

OT-2026-000095550

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000095550) never changes.

Identity and time

Publication numberOT-2026-000095550 · never reused
Internal UUID01a0ae9f-8f74-7c47-95f4-902bee1718be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095550
StatusPUBLIC

Content hashes

Canonical text7c7d8abc9d532d7e1d0555dd1af12e02a9e4c8b21772efcc4f35f0fed4d0becc
Markdownd8816ae8487933919b0589bf5d814a663d365be114e15e4c7ee83b32dbcd422f
PDF
Publication page6d34e1b1ceb9cdfdaea525d87e1af1a2969ad6bda65b7344676f871aa322605d
Manifest4cf02be4aa48cbcab2d71faf8c5d80a79c99ca9c37c78472ec8deabcf80057ea

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
Signatureje6JnF0flzpRpipQx3JyEWBuJv278jtiy71zeARsgQpU+SOL4d7HA2tVkBGrp/XsvGqBS76oIVMk4s8KYw+TBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:57.870351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095550
observed 6d34e1b1ceb9cdfdaea525d87e1af1a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:57.846777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095550/manifest.json
observed 4cf02be4aa48cbcab2d71faf8c5d80a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:57.830696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095550/publication.md
observed d8816ae8487933919b0589bf5d814a66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:57.807558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095550/publication.txt
observed 7c7d8abc9d532d7e1d0555dd1af12e02...
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.