OpenTechnical

OT-2026-000071435

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000071435) never changes.

Identity and time

Publication numberOT-2026-000071435 · never reused
Internal UUID01a0ae91-e0ed-7eb9-89a0-2fc3ca3d2bfc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071435
StatusPUBLIC

Content hashes

Canonical text16cdf0d698af57ae4328252987b92bdcf68449db2f88ddd75f2c57a0b474e391
Markdown6f8b09ff04c959c24842a382922162bae431469db89af4b14436f3c34efd8f09
PDF
Publication pagef7a3a204cbbe6486d71de06d0eb71c55c10a7fb88d0d98e97f855b10c02fe03d
Manifest5159d39aacd1ed30939a861d069f7e7639692ee540267ce0cf462aeae034c38f

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
SignaturefG9I+pG5O/eHCFhOuek0z6ICMg8WxLB7c5cdmr4vkFY9dzB64DoPumRyK3JIlCiO7z8+LofeiGPJvxpLX/vsCA==
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

2026-09-17T10:25:04.473411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071435
observed f7a3a204cbbe6486d71de06d0eb71c55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:04.455762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071435/manifest.json
observed 5159d39aacd1ed30939a861d069f7e76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:04.439094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071435/publication.md
observed 6f8b09ff04c959c24842a382922162ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:04.422281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071435/publication.txt
observed 16cdf0d698af57ae4328252987b92bdc...
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.