OpenTechnical

OT-2026-000070516

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000070516) never changes.

Identity and time

Publication numberOT-2026-000070516 · never reused
Internal UUID01a0ae91-5460-72cf-a352-4ef6a44b0508 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070516
StatusPUBLIC

Content hashes

Canonical text4c8f50ac5e0c8237c3200297b8b37dc3959506e58a8c3204c13ae3f9b0ba536f
Markdowna0b6185d3066261a93c53f803f438b3ddb12c733c2aee5bb3f563b73a0dc3060
PDF
Publication page7cf9839c8ef82d14c6684ecc5e5065e634ce7f65a332fb5b391a12168faff15f
Manifestf9eab26b87186beb656af5b28fd3d09b3990d8a843aa964b95526c9a985a5822

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
Signature6HzWIssi9Jyy0WvWxUrT8l6kws3lBZvyr1PORgF11OXdUTpzI2Ssdio+0YtYL7mjI19/Q00HJnSQ8tdTul3GBQ==
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

2026-09-17T10:26:21.634942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070516
observed 7cf9839c8ef82d14c6684ecc5e5065e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:21.616640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070516/manifest.json
observed f9eab26b87186beb656af5b28fd3d09b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:21.599171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070516/publication.md
observed a0b6185d3066261a93c53f803f438b3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:21.580816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070516/publication.txt
observed 4c8f50ac5e0c8237c3200297b8b37dc3...
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.