OpenTechnical

OT-2026-000091023

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pressure sensor per zone, sustained 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-2026-000091023) never changes.

Identity and time

Publication numberOT-2026-000091023 · never reused
Internal UUID01a0ae9c-c012-7dc3-a8b6-fd3067bb68d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091023
StatusPUBLIC

Content hashes

Canonical text70ca07b6da022fc5630d73909d2fd0c1fbde6fd2d64ac46e7491b0a42fd97204
Markdowndc5fb96921c1cab7d4c0b1fc16629142fe81adb3abf522933e5c652f4049285f
PDF
Publication page29434aecd61ce2f6428ffb78102d7d419610bb9f445dc157f9b297264f9e865b
Manifest8e3c2a1ee763a76816e179931ab31dbf699b8eb06efb0491a7ea2da941d6ed49

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
Signature5XCHMm+5CRjCCJiSywFLRN194+G4ol1QsDxaRE8IjjLuoqmbc1p6jR7jzez1NArBabYjGTMWw/hgqwtmNfymDw==
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

2026-09-17T09:44:15.858051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091023
observed 29434aecd61ce2f6428ffb78102d7d41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:15.841456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091023/manifest.json
observed 8e3c2a1ee763a76816e179931ab31dbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:15.822853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091023/publication.md
observed dc5fb96921c1cab7d4c0b1fc16629142...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:15.803211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091023/publication.txt
observed 70ca07b6da022fc5630d73909d2fd0c1...
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.