OpenTechnical

OT-2026-000027396

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three 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-2026-000027396) never changes.

Identity and time

Publication numberOT-2026-000027396 · never reused
Internal UUID01a0ae72-6997-7b4f-acb6-8c37ffcfaad7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027396
StatusPUBLIC

Content hashes

Canonical text838544d9f03bd363379bb58bb0334f0b454b2baf66cd4919758ff15ff3ef3171
Markdown70355d5dd887b17b560bb095e2a7a4f9f9f775abb534cb167e1981c0693cdf25
PDF
Publication pageaf0506dba00e229bc16802dbe28271f10935b51ea86b05d839ed4ca852ffbdcd
Manifest665d0dc1eb5f689414796779cc0e1d20e53b975bcea72e9a87d53cef6798a308

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
Signature5ni+Mb7/s4Lyk5CCIMB0nFxoHPc/FHDDVVRxQNJpAEFRq6Gskv1t0y+uR7XjP6xSRLWcMmR3vr6WZ2YsrXSfAg==
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

2026-09-17T11:42:49.158096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027396
observed af0506dba00e229bc16802dbe28271f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:49.133308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027396/manifest.json
observed 665d0dc1eb5f689414796779cc0e1d20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:49.114195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027396/publication.md
observed 70355d5dd887b17b560bb095e2a7a4f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:49.096190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027396/publication.txt
observed 838544d9f03bd363379bb58bb0334f0b...
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.