OpenTechnical

OT-2026-000033454

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000033454) never changes.

Identity and time

Publication numberOT-2026-000033454 · never reused
Internal UUID01a0ae75-a38d-7341-b2cb-77515e3ab68a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033454
StatusPUBLIC

Content hashes

Canonical text88a11f034e7f2c6bda0ae20254e9e4cdae365c639679add61584adfde9e905c0
Markdown6031beb7522a7c1e1c3569106f88bec02e1b68f23f673b4ab615af1907fa1be0
PDF
Publication page0d4483e66e4bb18bac8d7363e97b476636143187ea63ad91d84e8a68140d0508
Manifestac396ca2562d6663c4ec6ffac6ef24804768f086c0fc833099bd5eb2e8bda6bb

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
Signaturebms90BgffhNCfr7ghIE94KA1AIE+RaKm8DXxsU/5ldchwu8C8oRm5iNFcTURuDqxdnxXomsFzWgpcXZQZJMTCg==
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

2026-09-17T11:31:17.397577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033454
observed 0d4483e66e4bb18bac8d7363e97b4766...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:17.379047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033454/manifest.json
observed ac396ca2562d6663c4ec6ffac6ef2480...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:17.360395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033454/publication.md
observed 6031beb7522a7c1e1c3569106f88bec0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:17.341611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033454/publication.txt
observed 88a11f034e7f2c6bda0ae20254e9e4cd...
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.