OpenTechnical

OT-2026-000073143

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000073143) never changes.

Identity and time

Publication numberOT-2026-000073143 · never reused
Internal UUID01a0ae92-efb6-7780-a8d3-06080d7f4644 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073143
StatusPUBLIC

Content hashes

Canonical text2e79d528e718a4d898eaf502c6cbac98b495e6c882e8342a4ab7b49b1937a5f3
Markdownd1864d38ea71fc10a61269f06f904c6f8ab8b58d453a188f6ec7d47f1ca3ce69
PDF
Publication page4470020a6c2e01ff43f598e4f34862eca0efd58a269d1fab82000b2529f3a1da
Manifesta6155b955737d5b6690c8b4d6b8ddb4a0ae84a4b0538c5698973505c1b2d539c

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
SignatureW37HNuTin9okDHyfLr8Bbo9BBo6PWI4Gh2I9r1fFgszMq/rFn6M7WHi/rh/+FVp+hG8uRb3XlHIs5aLeCWfuBg==
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

2026-09-17T10:21:04.895566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073143
observed 4470020a6c2e01ff43f598e4f34862ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:04.877416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073143/manifest.json
observed a6155b955737d5b6690c8b4d6b8ddb4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:04.858499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073143/publication.md
observed d1864d38ea71fc10a61269f06f904c6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:04.838390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073143/publication.txt
observed 2e79d528e718a4d898eaf502c6cbac98...
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.