OpenTechnical

OT-2026-000070049

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, supply line pressure sensor, 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-2026-000070049) never changes.

Identity and time

Publication numberOT-2026-000070049 · never reused
Internal UUID01a0ae91-1861-72e9-8f08-a0c6d233f8a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070049
StatusPUBLIC

Content hashes

Canonical textd223defe5fb31505035d456e08f459afa666a6bc95d15bb5fb33622e1553bc19
Markdownda56631d84f3db46327c5a2599649ab4c825781a765e06429d1fe40b0ba699cf
PDF
Publication page6494cf1cbe6f976a4c3b6ffbc0c93c9e3cac6fa2726567b515831f4c168eb869
Manifest0f6bf990a17f3e16b6d1e45f0f26a2015087d9b14ca80ab3c6910a6d0e56f83c

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
SignatureRoSk32pXZg6/Q0kq1D+Oflc4nWiXWi6yh3G2++qKqh/s2X3RDQ/Us61/ZjneFiEv2zCNt6cbg6CZNOza/8pkCg==
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

2026-09-17T10:27:00.325746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070049
observed 6494cf1cbe6f976a4c3b6ffbc0c93c9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:00.307413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070049/manifest.json
observed 0f6bf990a17f3e16b6d1e45f0f26a201...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:00.291174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070049/publication.md
observed da56631d84f3db46327c5a2599649ab4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:00.275072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070049/publication.txt
observed d223defe5fb31505035d456e08f459af...
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.