OpenTechnical

OT-2026-000054219

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, supply line pressure sensor, pulsed 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-2026-000054219) never changes.

Identity and time

Publication numberOT-2026-000054219 · never reused
Internal UUID01a0ae85-b3a9-7a70-9076-0260d64be697 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054219
StatusPUBLIC

Content hashes

Canonical textfbc0e40173ece218cfbeb7ef44b3630e1c0a41828bd5eea0958f7ab8df924ddd
Markdown0e12e93fae3498a5e33b64202967cc97445f5335f519067d5da2f5db4cde46ea
PDF
Publication page622370405c5f339a7fcf01c3e7ea3006c46db6f191d44904817f8995ed29d927
Manifeste8a6a187e74499060fab58847cc2a36f2010405d31ebc5c648f162c141946a06

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
SignatureGkATJ/xUfYlIFitZ7aeO7Rvw5wNnqlQW01QVOLe5oRWeiT3D75N0acGGELLS5Lb7X5+bTN3KX5aAIlWs130oDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:41.899556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054219
observed 622370405c5f339a7fcf01c3e7ea3006...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:41.878644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054219/manifest.json
observed e8a6a187e74499060fab58847cc2a36f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:41.858037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054219/publication.md
observed 0e12e93fae3498a5e33b64202967cc97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:41.823060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054219/publication.txt
observed fbc0e40173ece218cfbeb7ef44b3630e...
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.