OpenTechnical

OT-2026-000042268

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000042268) never changes.

Identity and time

Publication numberOT-2026-000042268 · never reused
Internal UUID01a0ae7a-5d73-77ed-abb4-3af02040e435 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042268
StatusPUBLIC

Content hashes

Canonical textea3dd17ea4fc96dbf86c284c820c6ebe17f693b5b9ee7240fefac33f07a3a51e
Markdown2deaf7c386657f83db8b83f9b5566f6738f0dc93dbd1fc6acd1245f518bc488c
PDF
Publication page91019fc9228254122be395d024823b26de4b5049541ce5bfce269fe229a1669d
Manifest4a96c6afb42d8ee8ee08d2806918108e9d42ac75a725a7b3151880c50793e065

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
SignaturefKyoR+RZY7JDxw+YfRAizDQCZv90abHWUPID9p4mPQaIfniOrGe8GZWN79AO8xX2rDDRXSQU4KTdhuVmBcPjAg==
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

2026-09-17T11:15:57.373671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042268
observed 91019fc9228254122be395d024823b26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:57.355177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042268/manifest.json
observed 4a96c6afb42d8ee8ee08d2806918108e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:57.326300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042268/publication.md
observed 2deaf7c386657f83db8b83f9b5566f67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:57.307694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042268/publication.txt
observed ea3dd17ea4fc96dbf86c284c820c6ebe...
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.