OpenTechnical

OT-2026-000016691

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, 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-2026-000016691) never changes.

Identity and time

Publication numberOT-2026-000016691 · never reused
Internal UUID01a0ae6e-5918-7c7d-8122-45cc20915602 · 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-2026-000016691
StatusPUBLIC

Content hashes

Canonical text0475517db7d842e891d532856c1526edff48167da20d4d3ca84ac093e4b7b039
Markdowna200519e2d84074258ca51f141355ca8584be9a953960026974ed00eed5f83e9
PDF
Publication pagedead5d3c83de8fa5ccf92744ff84451e4410ba03d8cd37996348177a27490dde
Manifest82e5b35c18ccbecad193b496fb264adc2b814fd693e7c12b151fdf49b5cbc2a2

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
SignaturempMb+CGWYZfP1lT/S/oanwGiGJiflqw5oytzkdGUMOTGxH0c5buIxQoeE3oS0nky4rUUgfF7yfCAkCvDhJhXDA==
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

2026-09-17T12:02:54.772487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016691
observed dead5d3c83de8fa5ccf92744ff84451e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:54.752938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016691/manifest.json
observed 82e5b35c18ccbecad193b496fb264adc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:54.731044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016691/publication.md
observed a200519e2d84074258ca51f141355ca8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:54.678388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016691/publication.txt
observed 0475517db7d842e891d532856c1526ed...
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.