OpenTechnical

OT-2026-000006078

Publication integrity record

Vacuum cup gripper, two zone face, common isolation valve, pump fed, pressure verified, silicone 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-2026-000006078) never changes.

Identity and time

Publication numberOT-2026-000006078 · never reused
Internal UUID01a0a94e-9afb-7869-b407-826fe1fd4ed3 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:21:36.125733Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006078
StatusPUBLIC

Content hashes

Canonical textbf59c113ef37c9494e66ebf0759b8f1b6c0f026f6a5ba06d3c21fa6256ca53c1
Markdown68f5dfe8d11b9f3b4295ce53424e15e2ba03f9991d6d3183be55b0eaa816b96b
PDF
Publication pagedd86f2008af851c1e94e185b45a9edd6bb195fc09278689416e6b6387e2ed33f
Manifest610479e10e97dffc6ce9ad07035c35a9f2e0cc86f542e2ec475bfa48d1851625

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
SignatureaHDtf2mkSiXzin7cJIzHvIqd1RryqF6he/Wo1ZJ2qlHivYYO07CLU1qlOcHkhHC0NmIOTZZGjzXjVtqNNMKrDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:29.959085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006078
observed dd86f2008af851c1e94e185b45a9edd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:29.944402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006078/manifest.json
observed 610479e10e97dffc6ce9ad07035c35a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:29.929897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006078/publication.md
observed 68f5dfe8d11b9f3b4295ce53424e15e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:29.915986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006078/publication.txt
observed bf59c113ef37c9494e66ebf0759b8f1b...
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.