OpenTechnical

OT-2026-000077106

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold 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-2026-000077106) never changes.

Identity and time

Publication numberOT-2026-000077106 · never reused
Internal UUID01a0ae94-f507-7da9-a59c-5326e5ace60e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077106
StatusPUBLIC

Content hashes

Canonical texta990a2492403cebca7ef664df21442ce37dee23ec54e570e212f6f6540197104
Markdown3135eb8e0d82678afac5fd2c30e5f527a3439db4d8845cbee2807bad5f23697a
PDF
Publication pagecadd57bc43c7add1b69bef8bee92645e1fba3c9b69c3a8f1e808d93e4fcc3448
Manifestff88a5e8cdd18d665542b488388b846bba479c2ad04480aebf7bd1df4bd069b8

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
SignaturewVLJJ1BBah4vPl/e0UzknmkiZbSIPSmQMPjNaATb57PC1OJGHoQrCO47fnp6QZEQu1FEnRgavCaBNUH1yIcqAg==
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

2026-09-17T10:11:34.557639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077106
observed cadd57bc43c7add1b69bef8bee92645e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:34.540736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077106/manifest.json
observed ff88a5e8cdd18d665542b488388b846b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:34.521244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077106/publication.md
observed 3135eb8e0d82678afac5fd2c30e5f527...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:34.504619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077106/publication.txt
observed a990a2492403cebca7ef664df21442ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:34.258173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077106
observed cadd57bc43c7add1b69bef8bee92645e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:34.238336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077106/manifest.json
observed ff88a5e8cdd18d665542b488388b846b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:34.218440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077106/publication.md
observed 3135eb8e0d82678afac5fd2c30e5f527...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:34.198501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077106/publication.txt
observed a990a2492403cebca7ef664df21442ce...
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.