OpenTechnical

OT-2026-000076216

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000076216) never changes.

Identity and time

Publication numberOT-2026-000076216 · never reused
Internal UUID01a0ae94-6a6f-7f56-8126-a5384afe5fa1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076216
StatusPUBLIC

Content hashes

Canonical text8ddf540107d2b09ed467108f2dfcb4e95ebcc2c0538f67218e4abd06323ab39d
Markdown00ffc02ba99fc881404c755f2bec84b2ea8fad2320475e2063ec2dfc12f92113
PDF
Publication pagee633f27e45f1d396d2fe7ef22bfa115607fba64993b5cfd5c0330f6afee40c41
Manifest014dee5d1747fc2e136d3d6661bfe155838dc1f58ddb71c4e7182ef780f56711

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
SignatureODTefmLvrLBy4kKbJZp9t3vQ1GFLmJlceHZ9Ysb9f0zqbyWCYVK8bLb6DOGuVUtf+A08GED6TwtyxCugK7c0AQ==
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

2026-09-17T10:11:36.220671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076216
observed e633f27e45f1d396d2fe7ef22bfa1156...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:36.197629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076216/manifest.json
observed 014dee5d1747fc2e136d3d6661bfe155...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:36.050406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076216/publication.md
observed 00ffc02ba99fc881404c755f2bec84b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:36.030018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076216/publication.txt
observed 8ddf540107d2b09ed467108f2dfcb4e9...
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.