OpenTechnical

OT-2026-000050284

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000050284) never changes.

Identity and time

Publication numberOT-2026-000050284 · never reused
Internal UUID01a0ae82-5c46-7d8e-b5df-5beca1e97769 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050284
StatusPUBLIC

Content hashes

Canonical textae9bd5243e21e7cdd5eae3e7501e3c146c452746c7635e55b01618912e564b34
Markdown5d547e8281f127a7e8c8ca7db8afde97edba15688b4902138cb7324a07671d85
PDF
Publication pagec1a850398e8a1aa6edecba29bc908d09f56fdeac7f976c8c96d3fc8f3d42ff66
Manifestf5298210e603ee376274841c92cb452d89c24cb6082d3ebdf90fa953bdf3a4ca

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
SignatureMM24rLNWoJ3aXeDHMNYNZVj3T9f2Wm5usnWJ2uxGnoAdwCnMlWBZ13WCP9wqLUHqUJU07ppTodwIglRNzg4iBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:01:17.349570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050284
observed c1a850398e8a1aa6edecba29bc908d09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:17.334564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050284/manifest.json
observed f5298210e603ee376274841c92cb452d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:17.319752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050284/publication.md
observed 5d547e8281f127a7e8c8ca7db8afde97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:17.303272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050284/publication.txt
observed ae9bd5243e21e7cdd5eae3e7501e3c14...
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.