OpenTechnical

OT-2026-000076308

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000076308) never changes.

Identity and time

Publication numberOT-2026-000076308 · never reused
Internal UUID01a0ae94-6a70-774e-8815-b5a454db1dd5 · 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-2026-000076308
StatusPUBLIC

Content hashes

Canonical text2008d4695bdf360a59414a36418e92e48765b1b725b9cd94ee400097429b8d17
Markdownf73494b635b5f102db8a5f36686c9972f8a278a454b88ae4fb2aa28774dd9cb9
PDF
Publication pagedc4549f86514a5989f6bebd84d15151ba63778b7e5319de1895aae9c5c294708
Manifest5aada8c2e90a4fe5c2a8b4474a7908c5e47ac99da0b2a4acbe4648b9ebc1b8f4

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
Signature/2uh3G+5on6blUXhyPkxPW1noaFMm374KR3MsgKfDqD4h2jKJlL91vUkEZf2SUu90OxBkpCWHgf63tl7/ipgBA==
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

2026-09-17T10:12:09.087206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076308
observed dc4549f86514a5989f6bebd84d15151b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:09.067386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076308/manifest.json
observed 5aada8c2e90a4fe5c2a8b4474a7908c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:09.048994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076308/publication.md
observed f73494b635b5f102db8a5f36686c9972...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:09.029129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076308/publication.txt
observed 2008d4695bdf360a59414a36418e92e4...
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.