OpenTechnical

OT-2026-000005324

Publication integrity record

Vacuum cup gripper, three zone face, per zone isolation, ejector fed, pressure verified, contact triggered

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-2026-000005324) never changes.

Identity and time

Publication numberOT-2026-000005324 · never reused
Internal UUID01a0a935-75e7-77d7-a9a8-b2d962a96da6 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:54:08.234916Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005324
StatusPUBLIC

Content hashes

Canonical text152a75ac3346c16cb62303709495c975cdf6d7488878c930528452b8013a6a2c
Markdown6b8f0b5977573901378db753877af593b5d731be4437e80cc82d1add1b71aa4d
PDF
Publication pageaeba1929a6dd34613808e99770f63bc04b1dd0dd97fe7deda0770556492a48fa
Manifest2740be58580c6a56aa895225b88dc0abe2477dfe052e332249ea177bdb25e5db

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
SignatureJ+y71GEvDX8mhDiaAeTRAhOnWvBijMzRQk27SFJE6y1quroGOinm3/mcj+GOrivXKYaDIQr1j2Xz1BNDRpsPBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:22.622166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005324
observed aeba1929a6dd34613808e99770f63bc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:22.488469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005324/manifest.json
observed 2740be58580c6a56aa895225b88dc0ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:22.473009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005324/publication.md
observed 6b8f0b5977573901378db753877af593...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:22.460048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005324/publication.txt
observed 152a75ac3346c16cb62303709495c975...
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.