OpenTechnical

OT-2026-000068012

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-2026-000068012) never changes.

Identity and time

Publication numberOT-2026-000068012 · never reused
Internal UUID01a0ae8f-c4fe-78f9-b4ad-c759251a62f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068012
StatusPUBLIC

Content hashes

Canonical textc4d62208de5438d488d27a7c0c3cad94facba5c5993ef6b5ed900c6f755156e9
Markdown5eedf064a56c36c50e0de27b71d2d32a4bef69f04d0b0d51d9904a92d9d021d3
PDF
Publication paged4e58a9132154028174f66f4413b4d666fd84ef8592ae28559419c5267ad3157
Manifest2c14e3e45beb554638a465ed0c235a04c724422bf3543decb54d090d3b4453ca

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
Signature+GEOZhncQr1gwXvEXUPVNxg12KtaLXYIOt+QV5B/QdO//728FAz88AHYzhfikjOXbOmzmMqPIrNguxWTLsyEAQ==
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

2026-09-17T10:30:34.139591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068012
observed d4e58a9132154028174f66f4413b4d66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.122748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068012/manifest.json
observed 2c14e3e45beb554638a465ed0c235a04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.103765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068012/publication.md
observed 5eedf064a56c36c50e0de27b71d2d32a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.083032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068012/publication.txt
observed c4d62208de5438d488d27a7c0c3cad94...
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.