OpenTechnical

OT-2026-000077747

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two 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-2026-000077747) never changes.

Identity and time

Publication numberOT-2026-000077747 · never reused
Internal UUID01a0ae95-2ecf-75f6-96c2-32325e90f46c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077747
StatusPUBLIC

Content hashes

Canonical textf77e10ef01bcfcbd9aebbd84aade3195f1b7e861f13c8c856236e0b32a343ace
Markdown3a368e4f66956c99fabcb2bd6705bc635dd9ef4e64e770e40783acdd7936d794
PDF
Publication pagede01c7bb5ffbea5dc8b4376680e37b2c08089dee80bb992db93169ba0f096723
Manifest343704040e23b31f8e39c5e5a101c233a0bea1cf58c5fc62cac38ea034e7c1dc

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
SignatureeLNYCiffNgWZcjj0lUsy6n3kijYXt+gO/+unyq6k4yLA+DtMRQds/tVsF3PyCuMefQQ0vIhXOsm3D1x//55ACQ==
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

2026-09-17T10:07:19.662422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077747
observed de01c7bb5ffbea5dc8b4376680e37b2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:19.643353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077747/manifest.json
observed 343704040e23b31f8e39c5e5a101c233...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:19.623024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077747/publication.md
observed 3a368e4f66956c99fabcb2bd6705bc63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:19.601165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077747/publication.txt
observed f77e10ef01bcfcbd9aebbd84aade3195...
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.