OpenTechnical

OT-2026-000044178

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, sustained blow-off after 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-2026-000044178) never changes.

Identity and time

Publication numberOT-2026-000044178 · never reused
Internal UUID01a0ae7b-d67b-743f-8e2a-2f1ca9774d5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044178
StatusPUBLIC

Content hashes

Canonical text8c4410f1c88dd8b82b630aa98b7a1c0afdc4ab2b0a1078c6b51314292bb34edd
Markdown2c74323254fec799fa9ebcaf885c6fa8d93e76a12e1074af753740c5c4b46f6e
PDF
Publication pagee57ae598d77a66ac69a61fbb463206ee855ed0ba86f7043a6778947da9b40588
Manifestfa4ffc95f68365d5009b98b0ee78191b5a6d670899af5c5cf90a48809a61fe21

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
Signaturew6lHWoU2+V6VvvhzahPyUEd5V5zc07w/RmPbREtVO2W8C2ImIvcz7pYmQEV7lLrhr4CRvoc4AcGf8x806LX/AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:12:36.775386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044178
observed e57ae598d77a66ac69a61fbb463206ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:36.755808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044178/manifest.json
observed fa4ffc95f68365d5009b98b0ee78191b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:36.737817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044178/publication.md
observed 2c74323254fec799fa9ebcaf885c6fa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:36.719335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044178/publication.txt
observed 8c4410f1c88dd8b82b630aa98b7a1c0a...
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.