OpenTechnical

OT-2026-000092869

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000092869) never changes.

Identity and time

Publication numberOT-2026-000092869 · never reused
Internal UUID01a0ae9d-b602-777e-8db6-3acf4893d10e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092869
StatusPUBLIC

Content hashes

Canonical text9f9e682aae1d5898e3726594f2bb97a48b380ab044a5aad3c47ec5a13dc6b89f
Markdownfcacad6f09ec736273846bcc14e130dee51b2281c89b8043d4c6743369ad7ebb
PDF
Publication pagecfe4239f230caf3f444372947257e04de937a68f727daa5e9d850960a5ab2aa4
Manifest1d173c4b16c569c4f22435ea262b51bab1d8870b08f5b8ce708c7c307ac9d4d9

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
SignatureSBpE6H9LCatLlng8NEjiRI3H6UxdKuzy8DARRuYJlA6SlT6Q8jwbJeh4QzduzV5ZP6DYQ+EET/5KaO2A/KnGBw==
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

2026-09-17T09:41:31.831626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092869
observed cfe4239f230caf3f444372947257e04d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:31.813702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092869/manifest.json
observed 1d173c4b16c569c4f22435ea262b51ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:31.795812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092869/publication.md
observed fcacad6f09ec736273846bcc14e130de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:31.779314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092869/publication.txt
observed 9f9e682aae1d5898e3726594f2bb97a4...
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.