OpenTechnical

OT-2026-000065197

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, vented after 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-2026-000065197) never changes.

Identity and time

Publication numberOT-2026-000065197 · never reused
Internal UUID01a0ae8e-1df9-783e-8480-a01f62deab1e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:04.519862Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065197
StatusPUBLIC

Content hashes

Canonical textde97b15f13b8665cf2330c867cbc340962b0b9b861dd5f067c6f2240e34164d5
Markdown1a306a2be261572df5d9f89618376c2154c8db0ef5a1382cc62c7a4601a5b11f
PDF
Publication page2a93e4fa4791bc05855ef136bfafa13b5f67f52e3e3930c4f45b1c1160dbe659
Manifestf70c0e4939abf2e86d4dc22f23423b556eaa6f6e757cd11ca4f96cdfd7f93fb0

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
Signature7VojD4GRirDbG52pTqy5BC/wQrSt21Cvno3m1aqUn2SBk8ZQslm0KknFtBBxN8GbDdweVFXYYMXRgYGO+J4yAA==
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

2026-09-17T10:35:02.738808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065197
observed 2a93e4fa4791bc05855ef136bfafa13b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:02.720741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065197/manifest.json
observed f70c0e4939abf2e86d4dc22f23423b55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:02.702215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065197/publication.md
observed 1a306a2be261572df5d9f89618376c21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:02.685549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065197/publication.txt
observed de97b15f13b8665cf2330c867cbc3409...
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.