OpenTechnical

OT-2026-000071087

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, 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-2026-000071087) never changes.

Identity and time

Publication numberOT-2026-000071087 · never reused
Internal UUID01a0ae91-8c2f-7e6d-b8cb-a1f6f3a87c02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071087
StatusPUBLIC

Content hashes

Canonical text189650a03f39c95d63cf9ff9f06d1468ad6ba7d48f2c1cdf06fefe7fcea05b66
Markdown57f7601f018768f5c498640623e76f31cb438052c36b5dd8cbdc175ed3c8967b
PDF
Publication pageb71bab92984baf0b8c572fe3ddb13b2c9b6a2285ef7e06a9801a4fc75a616e18
Manifest5620f0d02750a5360c965a2bdcdec538e0f9525785857ead0e0cd663e134d49e

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
SignatureSCdjNxrObvs5fy7sGgCGnwrNuSc1hOJB71WghmD9m0YWgHGlSIv+Xxv/vlX93/OK2UQZCZDA7UPkdD+YOglMCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:56.971433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071087
observed b71bab92984baf0b8c572fe3ddb13b2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:56.957027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071087/manifest.json
observed 5620f0d02750a5360c965a2bdcdec538...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:56.940973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071087/publication.md
observed 57f7601f018768f5c498640623e76f31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:56.925646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071087/publication.txt
observed 189650a03f39c95d63cf9ff9f06d1468...
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.