OpenTechnical

OT-2026-000074744

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single 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-2026-000074744) never changes.

Identity and time

Publication numberOT-2026-000074744 · never reused
Internal UUID01a0ae93-ac2b-798c-8549-8b4888e352d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074744
StatusPUBLIC

Content hashes

Canonical textaeb09f616100d55018e412c7d9590e3e90de5ef0abe72c2de11603eb1563bc7e
Markdown5665489ef239866a3513fe5c7b62729868a9e5917624959eaf814ec42a69536e
PDF
Publication pageb1ff889bbb4ceb0d9fdac87b146037fd20f461e54d68b2bd41106fc5d8676f71
Manifeste2e6d882300bd221c7d76968805046705abb3bf9097bbff60fc6d288d33b3fea

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
Signature8fBLf2WKvAQf9m2GiWXoQU4BihyhIabdvKoT/h/FfTS/LWrWZFPisIlbGk1a05JfE7MzKL0Ih952i2MAUDlaAg==
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

2026-09-17T10:18:25.757652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074744
observed b1ff889bbb4ceb0d9fdac87b146037fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:25.690547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074744/manifest.json
observed e2e6d882300bd221c7d7696880504670...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:25.670198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074744/publication.md
observed 5665489ef239866a3513fe5c7b627298...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:25.645256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074744/publication.txt
observed aeb09f616100d55018e412c7d9590e3e...
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.