OpenTechnical

OT-2026-000005053

Publication integrity record

Vacuum cup gripper, four zone face, three stage ejector, 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-2026-000005053) never changes.

Identity and time

Publication numberOT-2026-000005053 · never reused
Internal UUID01a0a92c-5c96-7218-a2fd-de60e9a87280 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:44:11.929691Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005053
StatusPUBLIC

Content hashes

Canonical text4ce0a276181a4716002161656cfeea807caf86a181907da308876311e7d959fc
Markdown8e045ebddb349728215d53bcf02f7b94497d76c3bd527beba2a4b3e1de571f59
PDF
Publication page5010af47aa2babaa2b27471e0c71b7278d3a4936bd1388aa6935dca352b90be1
Manifest402d946f4963fef6395510acb84ae14442f6617add78ff03d3744c3a416613f8

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
SignatureID8dPOOeREXhe9XQZeds8qQw+qnBznBRRAtmb+301ZHZpF6L+7Q11j7wYSzOOgcNr7Ja7VLkHFqGkDRsrNPvCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:20.651562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005053
observed 5010af47aa2babaa2b27471e0c71b727...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:20.637249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005053/manifest.json
observed 402d946f4963fef6395510acb84ae144...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:20.623684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005053/publication.md
observed 8e045ebddb349728215d53bcf02f7b94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:20.487331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005053/publication.txt
observed 4ce0a276181a4716002161656cfeea80...
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.