OpenTechnical

OT-2026-000038480

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000038480) never changes.

Identity and time

Publication numberOT-2026-000038480 · never reused
Internal UUID01a0ae78-2d53-7eee-99ee-1aedd71e13f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038480
StatusPUBLIC

Content hashes

Canonical text792e6a2cfe9c4409ec9bea98fb78eca411d1a7f59ba3212ca4880b6af204d9a5
Markdownb4440a09398496e831e8c21067d4ce483d77c34d195ddcef5a2a87f084e71012
PDF
Publication page7351f7c3c80c87fcd0f8003713368bac1e97a1a9c8952397456e6da4c8579b2d
Manifestf5399e2485774db088d3958bf0db9df2070b5caa15f568e6f44f576265a6dd6b

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
SignatureNXc8vi5auaPylErOa3hZnepTjBYOsP1XIEheLQGXIAkwzOsH9FH989MlCCOqwQUy/1ZDAvFqBBFsfKNs3P8bCQ==
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

2026-09-17T11:22:43.156542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038480
observed 7351f7c3c80c87fcd0f8003713368bac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:43.138049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038480/manifest.json
observed f5399e2485774db088d3958bf0db9df2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:43.121377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038480/publication.md
observed b4440a09398496e831e8c21067d4ce48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:43.102635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038480/publication.txt
observed 792e6a2cfe9c4409ec9bea98fb78eca4...
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.