OpenTechnical

OT-2026-000067271

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000067271) never changes.

Identity and time

Publication numberOT-2026-000067271 · never reused
Internal UUID01a0ae8f-6bd6-71e1-b178-a469ff612368 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067271
StatusPUBLIC

Content hashes

Canonical textaab924ac3c0cbe811b0273c7e8fd4c6d6e06b655e01111edada3f28311ad39a7
Markdown994d03590ede94a20ab3b133dd16efeb669e9deb0d769465cc7ae2523beb7d90
PDF
Publication pagefe360ad5aa15a9d76b2bf72087ad68aae1d908853c811e35110dd599a941c12d
Manifest69bed01d7a392dd5fef51bb30a495e73d05abd0e16554ab2877f5ee3f54d2423

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
SignatureDSyji2wBpVObjG4JQNATg5ex2d+1ht22wnyocOWLSWGtJhNNy8c0RHyHK1SpwTlKUOy1sja9xbpqfeHSxHQlDg==
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

2026-09-17T10:30:56.558431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067271
observed fe360ad5aa15a9d76b2bf72087ad68aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:56.541307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067271/manifest.json
observed 69bed01d7a392dd5fef51bb30a495e73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:56.522545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067271/publication.md
observed 994d03590ede94a20ab3b133dd16efeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:56.503331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067271/publication.txt
observed aab924ac3c0cbe811b0273c7e8fd4c6d...
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.