OpenTechnical

OT-2026-000075765

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, pressure sensor per zone, pulsed 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-2026-000075765) never changes.

Identity and time

Publication numberOT-2026-000075765 · never reused
Internal UUID01a0ae94-29fe-7c56-9103-cb549edea09e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075765
StatusPUBLIC

Content hashes

Canonical textdc0451564bdf94198f8a46cb3c3dc51f5bfaff51f7154b9eb7134a847ca3e6d2
Markdown94603f66f30ea9ce3eaf161f6f7c19e748a468902dd5986c19191e7cc36d762d
PDF
Publication page0baaae1847c1b344447760d3eba9ae49930caf7a6d438f2260a4a09750d05594
Manifest547cbf4b6272e0f9a3f9c018cc89c74cf96815c5563b8d762ba2f0f9b3847019

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
SignatureYKdRGZK+Qa4nDPueR5syMZD9C1NsSwLq6JuX8oUEJ/KhzPR96x33z1eO7s8xrKYDNJNC3VjZD3pzZv0mojk2Aw==
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

2026-09-17T10:14:09.963052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075765
observed 0baaae1847c1b344447760d3eba9ae49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:09.943264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075765/manifest.json
observed 547cbf4b6272e0f9a3f9c018cc89c74c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:09.550342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075765/publication.md
observed 94603f66f30ea9ce3eaf161f6f7c19e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:09.532379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075765/publication.txt
observed dc0451564bdf94198f8a46cb3c3dc51f...
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.