OpenTechnical

OT-2026-000006295

Publication integrity record

Vacuum cup gripper, two stage ejector, pressure verified, rubber cups, oval form

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-2026-000006295) never changes.

Identity and time

Publication numberOT-2026-000006295 · never reused
Internal UUID01a0a955-e564-7b5d-bd82-c95b72bb9a17 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:29:33.927356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006295
StatusPUBLIC

Content hashes

Canonical textce280075ccb3af76a7c2ab26cf6c6b9165a04d74785a6eb873a39cafc41389f3
Markdowne2b73255f76dc4aecb29d2187c8a6bc4579495697b67096789e2b98497aa4037
PDF
Publication pagefa61579ea895bf195c584816ca880e555c399d6ec7e07569681821dee8f41e57
Manifest86505b8ad20d04e89688283f3d0845e81d12f11c6cc2f3bd12cf675969141b96

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
Signature6sTQMa4p8VwZK2Q92iNZPzKsCHn1PNW4Qub/A5Y57RHUnLkDOFZQDJRMwvYVXvnzodUJF7L7ZIQhHknhAfKiCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:30:04.476216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006295
observed fa61579ea895bf195c584816ca880e55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:04.461326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006295/manifest.json
observed 86505b8ad20d04e89688283f3d0845e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:04.440721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006295/publication.md
observed e2b73255f76dc4aecb29d2187c8a6bc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:04.425673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006295/publication.txt
observed ce280075ccb3af76a7c2ab26cf6c6b91...
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.