OpenTechnical

OT-2026-000074202

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000074202) never changes.

Identity and time

Publication numberOT-2026-000074202 · never reused
Internal UUID01a0ae93-7178-7ecd-b673-8e69168e5173 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074202
StatusPUBLIC

Content hashes

Canonical text395b9c26d4776b9aed3ea3603f1ef0fcee44c15c4b7a5003666223d534480d45
Markdown4f66b4e75c53b647149e5afc613636ef1ecb078905cddcb9764baa13c0d02731
PDF
Publication page8600b619a8683362dcd7c5e1db7cf22c31881e6bf15204a1bb3349a44b51385a
Manifest3d3a3aa882bd36c5eccfcfbe9f66fb90389120a0da14609aa883338dfd79b2e2

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
SignatureZiqtSvW9LwIx4v9JibBqOU5SZaYL+kwv8dOpEXZPo1+uTFkzDSHk9bJH3ztEpWspsnbUc7/uDAUa/HKXbGITAg==
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

2026-09-17T10:19:03.532622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074202
observed 8600b619a8683362dcd7c5e1db7cf22c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:03.514719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074202/manifest.json
observed 3d3a3aa882bd36c5eccfcfbe9f66fb90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:03.496683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074202/publication.md
observed 4f66b4e75c53b647149e5afc613636ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:03.479038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074202/publication.txt
observed 395b9c26d4776b9aed3ea3603f1ef0fc...
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.