OpenTechnical

OT-2026-000016952

Publication integrity record

Single bellows cup vacuum gripper, 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-2026-000016952) never changes.

Identity and time

Publication numberOT-2026-000016952 · never reused
Internal UUID01a0ae6e-591a-7902-97b2-2ea8f09bbfa8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016952
StatusPUBLIC

Content hashes

Canonical text525359c4ca337fca9079ec8d98ca96c2afaa9f8577b5310824d345cf95445624
Markdown983362c467352d9f10549af000546741fa0c1c2d9db84c9e6182c3b143011cd4
PDF
Publication pagec677f83ebc8982ee484c316a4a1dab0da01fed78a4a6864e3a4cca97d4dc1a80
Manifest08c6245afee51d156b2e51d2920ed073f34a9a8f3453da52816bf0eece6207bf

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
Signatureh729wmq9fwt+Fq4NC4ApM9INb4b5bf5UYWNMf2rjlU0yz0H/GPl1EWrX+Svfk/Q6nbC/yd79h9b/Iqeu/SbSBA==
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

2026-09-17T12:03:14.327765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016952
observed c677f83ebc8982ee484c316a4a1dab0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:14.309879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016952/manifest.json
observed 08c6245afee51d156b2e51d2920ed073...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:14.294471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016952/publication.md
observed 983362c467352d9f10549af000546741...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:14.277242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016952/publication.txt
observed 525359c4ca337fca9079ec8d98ca96c2...
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.