OpenTechnical

OT-2026-000072491

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000072491) never changes.

Identity and time

Publication numberOT-2026-000072491 · never reused
Internal UUID01a0ae92-89d8-7fc4-b51a-a549409891e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072491
StatusPUBLIC

Content hashes

Canonical text886b611126da632780a8c33bcd5c2f91afb3a1449f8b3b42184278f9676a3294
Markdownda7671c55eff5c99bd942dca933ef858e64a4fd4fa9f96535d7073ddaa26765d
PDF
Publication page1a6ac55d4b44192640c9c60b9f99884a567927e60993f57072e637494c3b675f
Manifest0936fd93aa94d063f85cc0f2117e01749f114d8cb0452707eccf51927a2c163b

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
SignaturexsO31M+RYqtlAsxrv55K72p+8FXnzf5e4pLIM0tjgJjbJNaaQX0afAHHtzWuPIGeH7QrHaxEYCGe9cq3UlOVCg==
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

2026-09-17T10:22:19.082732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072491
observed 1a6ac55d4b44192640c9c60b9f99884a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:19.066008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072491/manifest.json
observed 0936fd93aa94d063f85cc0f2117e0174...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:19.047623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072491/publication.md
observed da7671c55eff5c99bd942dca933ef858...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:19.029380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072491/publication.txt
observed 886b611126da632780a8c33bcd5c2f91...
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.