OpenTechnical

OT-2026-000005333

Publication integrity record

Vacuum cup gripper, four zone face, common isolation valve, three stage ejector, polyurethane cups

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-2026-000005333) never changes.

Identity and time

Publication numberOT-2026-000005333 · never reused
Internal UUID01a0a935-bf03-73a8-8ddb-e914214efe66 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:54:26.950286Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005333
StatusPUBLIC

Content hashes

Canonical textac259cbd9092f3e61ca9e71dd1b870bf049aa375792670ad017258fba12b0f74
Markdowne5f88b479da20af39a74ce8b8d42921ecd750df988e9dd74a9aa0b1b2eb4c210
PDF
Publication pagee3b3c2422b26467064a0668825ac107ae208e2e1e59ec6829e54c73b6d85ed2f
Manifest7ae4c5304eb493de1d4c83d62bec810409903c0cd79c6e89fd7872f15ecb99d7

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
SignaturekTm42xiEU3j7abvjpOa3GsQUTMUF0yqvsH0ynhPUPzhk2fqLpX9mQmxT005hEuVxjfQLoBVBKVJzIK9ZhqyOCQ==
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

2026-09-16T08:00:21.478849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005333
observed e3b3c2422b26467064a0668825ac107a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:21.465168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005333/manifest.json
observed 7ae4c5304eb493de1d4c83d62bec8104...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:21.451511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005333/publication.md
observed e5f88b479da20af39a74ce8b8d42921e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:21.435934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005333/publication.txt
observed ac259cbd9092f3e61ca9e71dd1b870bf...
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.