OpenTechnical

OT-2026-000050072

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single 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-2026-000050072) never changes.

Identity and time

Publication numberOT-2026-000050072 · never reused
Internal UUID01a0ae81-fd78-7a0e-8a5d-d74dc9f2d8b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050072
StatusPUBLIC

Content hashes

Canonical text372eaa63ca482564b752da8d43161312ec9c0acaa5f51c5fe4f0aed99ae626ff
Markdown33012f5d51b832816dc3547a0496daf471d9f2e08b860d939d9bdd0c88026e01
PDF
Publication page576d9b975a6443dfc14750dcfa0858338bb727ea94812ccc957f792a1040b42a
Manifest90b950246ce21088300d79200d07a93fa0af1350d0c574164a5bf17ddcbf0ae6

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
SignatureAk6i3H4DzB/D6XVlBH4rLQJSlU5HvJcCTKOK/D6oPSLH+20H9z5ARVnp8KknB8jMsHbApiRQuj/GpEQVK6zaAw==
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

2026-09-17T11:02:03.563754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050072
observed 576d9b975a6443dfc14750dcfa085833...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:03.546311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050072/manifest.json
observed 90b950246ce21088300d79200d07a93f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:03.528079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050072/publication.md
observed 33012f5d51b832816dc3547a0496daf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:03.508434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050072/publication.txt
observed 372eaa63ca482564b752da8d43161312...
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.