OpenTechnical

OT-2026-000086002

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, two stage ejector, sustained blow-off before set-down

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-2026-000086002) never changes.

Identity and time

Publication numberOT-2026-000086002 · never reused
Internal UUID01a0ae99-e82a-7487-a928-8ddcb8bcaa4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086002
StatusPUBLIC

Content hashes

Canonical text99e9ab629008f678e30bd14d5229b7e89fb56516a73206bb8c381d9d16b97c25
Markdown3ddc0f2b1c3ae3778f93579467c881d27b020465cf047f85079ecbbbcaa8a665
PDF
Publication page4a8c07e795030ad564a186f254756b049ade6bafcb90c743b81cee5749975ee2
Manifest920e89bed2346fd5da444b94a953bdaacf1590e8d599cff2fd48cd115b3a8a9d

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
SignatureUL41x3FutjYWRa6I3IJDC/60Btq87uUftBn/0YB9fLo8xBR1eieRVDRhSN2MdhlbLswxGnB1CCYCYdHFYhMhAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:52:59.189767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086002
observed 4a8c07e795030ad564a186f254756b04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:59.174193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086002/manifest.json
observed 920e89bed2346fd5da444b94a953bdaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:59.156637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086002/publication.md
observed 3ddc0f2b1c3ae3778f93579467c881d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:59.138593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086002/publication.txt
observed 99e9ab629008f678e30bd14d5229b7e8...
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.