OpenTechnical

OT-2026-000022465

Publication integrity record

Single cup vacuum gripper, single stage ejector, sustained 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-2026-000022465) never changes.

Identity and time

Publication numberOT-2026-000022465 · never reused
Internal UUID01a0ae6f-f4fe-715f-95d3-14ae506bc7b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022465
StatusPUBLIC

Content hashes

Canonical text0e268669277e06338582e8bdbd488787a779ca938f19d6e320217f04445881f8
Markdown6fc06e7cf8a5cf50debc66e50e16825e13835c66fab5f02358a5b2670d50859e
PDF
Publication pagee31bf99a5140a345b0259de780e23f13497cf48acd7d16b28600eb1b3da95b68
Manifestb83dddd8e083034e3a1253328a8e1bd7e21ed013641a4e0b7a6483a217679b37

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
SignatureZGQ7E+cWwcyl6Kn8BdtrOMpCpslXC569lyvVPhfQ4t2ym6y8+chgkeQn6uJ7Pl4CkNLwF2kBAkaJpo/t2/iNDw==
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

2026-09-17T11:53:51.944792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022465
observed e31bf99a5140a345b0259de780e23f13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:51.924515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022465/manifest.json
observed b83dddd8e083034e3a1253328a8e1bd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:51.908768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022465/publication.md
observed 6fc06e7cf8a5cf50debc66e50e16825e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:51.891750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022465/publication.txt
observed 0e268669277e06338582e8bdbd488787...
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.