OpenTechnical

OT-2026-000086194

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two 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-2026-000086194) never changes.

Identity and time

Publication numberOT-2026-000086194 · never reused
Internal UUID01a0ae99-e82c-77b7-a021-2a5be48fe92a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086194
StatusPUBLIC

Content hashes

Canonical text77c483cd8974f21604a0f6718afee3aae70bd07136a3624883508800cdae545c
Markdown30e27bd4e056e4e9f9a27f220458598408b0740bae5f2371ee9662f52f018f4c
PDF
Publication pagecddc9b4ca256c8dadf4ba2cec7dead3831e7e250765704b227cf20c2d70152b5
Manifest1351ac0a99f0383ea37a8e5ce48075b07ef6be19304683c01daa341d0116f9cf

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
SignatureN15L5BKy5ILLs1PZxMS772o86aBgFwJmmr5VRlWLoMdVGSEJh+YiEVfy2ZEeNEu8P64t8Nnz4hKImPknvv9KDw==
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

2026-09-17T09:53:52.406401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086194
observed cddc9b4ca256c8dadf4ba2cec7dead38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:52.391311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086194/manifest.json
observed 1351ac0a99f0383ea37a8e5ce48075b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:52.374774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086194/publication.md
observed 30e27bd4e056e4e9f9a27f2204585984...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:52.357089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086194/publication.txt
observed 77c483cd8974f21604a0f6718afee3aa...
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.