OpenTechnical

OT-2026-000069488

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000069488) never changes.

Identity and time

Publication numberOT-2026-000069488 · never reused
Internal UUID01a0ae90-b52b-70ab-9811-d00e8a763a50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069488
StatusPUBLIC

Content hashes

Canonical textbadb1717fafd539584cee1ee2f8b4258400eceec6c99b56e61c4213da7789a14
Markdown256c1968a3e33957055e6ef072b9f20be5eb5064f06fc290b8b0b1211617ac43
PDF
Publication pageeceb11434e3d4bfdf84ed41af0fdade17fa00aa3b88c2eaa895aefc00a7afacc
Manifest378fa717748fc3c8dfc91a6f23eaa81dd93ada9584f6119885bf8ba41dbeafbb

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
SignatureHoK02hgrtR70y6l2nHI9zNs1IKsD3tfa+xmiu0IfzrPr1Ubt/9WWjNQCL2lzCk99AvjZx9xx7ZZnpcBRJRnTBw==
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

2026-09-17T10:30:34.136212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069488
observed eceb11434e3d4bfdf84ed41af0fdade1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.118967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069488/manifest.json
observed 378fa717748fc3c8dfc91a6f23eaa81d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.102247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069488/publication.md
observed 256c1968a3e33957055e6ef072b9f20b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.083750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069488/publication.txt
observed badb1717fafd539584cee1ee2f8b4258...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:06.873937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069488
observed eceb11434e3d4bfdf84ed41af0fdade1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:06.853938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069488/manifest.json
observed 378fa717748fc3c8dfc91a6f23eaa81d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:06.834195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069488/publication.md
observed 256c1968a3e33957055e6ef072b9f20b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:06.814948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069488/publication.txt
observed badb1717fafd539584cee1ee2f8b4258...
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.