OpenTechnical

OT-2026-000006763

Publication integrity record

Vacuum cup gripper, two stage ejector, contact triggered, vented before set down, rubber 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-2026-000006763) never changes.

Identity and time

Publication numberOT-2026-000006763 · never reused
Internal UUID01a0a966-94ca-70ed-b8c1-61167e8081eb · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:47:47.405301Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006763
StatusPUBLIC

Content hashes

Canonical text3a3ef16b6c42b0a83ba7fdded4c7163c988153dcd13a2b1b0b429c0e521e79ac
Markdown7d0d54bb17e12d00900534865253077524207ecba9818ca28fd750da6665895e
PDF
Publication paged6f178fe893571c435b9bd3192d19a482937e2c85773ed2efc4270e529203e3a
Manifestb2af36d1e9044a376b67ee34d57289e884bbae2f318da259839c30c714e03670

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
SignaturefBIOe+Z1TvW93smqeAQwq9qaUwi8yNTKxueLnMyjbKQ/ltXOGpLkNTgnba55uDqcOFI8EylYloIXOoj0EAO8DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T16:41:04.428138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006763
observed d6f178fe893571c435b9bd3192d19a48...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:41:04.290917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006763/manifest.json
observed b2af36d1e9044a376b67ee34d57289e8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:41:04.157545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006763/publication.md
observed 7d0d54bb17e12d009005348652530775...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:41:04.021821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006763/publication.txt
observed 3a3ef16b6c42b0a83ba7fdded4c7163c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:50:08.994133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006763
observed d6f178fe893571c435b9bd3192d19a48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:08.981161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006763/manifest.json
observed b2af36d1e9044a376b67ee34d57289e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:08.968414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006763/publication.md
observed 7d0d54bb17e12d009005348652530775...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:08.955462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006763/publication.txt
observed 3a3ef16b6c42b0a83ba7fdded4c7163c...
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.