OpenTechnical

OT-2026-000073155

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-2026-000073155) never changes.

Identity and time

Publication numberOT-2026-000073155 · never reused
Internal UUID01a0ae92-efb6-7628-894a-d37c5c69401d · 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-2026-000073155
StatusPUBLIC

Content hashes

Canonical textd44f93ddf0764af0630911060d78a5694ecfde2e8bbc8c44bb5a2d67b963c8ac
Markdown102b82909250c0a090b02afe2fd7782aa870defb82bde2b7680a0651ca9dcd80
PDF
Publication pagee81191105c6d20f0a083b389bec63e50d0bf09a90f1d18489e89c67fa3d7f858
Manifestbca7eb033d50e94bd31005679e47578939b418f1549fbf4c52b0c89e39620378

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
Signaturedzm+vRWbZ5hscKq1tfNpSdbs6a5HWqFTOOxWRyh3jWSP7Mqnezn9aBzROnjFZUFGTmLNTiwU/3kQPvcOsqKCBw==
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

2026-09-17T10:21:05.876774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073155
observed e81191105c6d20f0a083b389bec63e50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:05.857984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073155/manifest.json
observed bca7eb033d50e94bd31005679e475789...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:05.836107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073155/publication.md
observed 102b82909250c0a090b02afe2fd7782a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:05.814238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073155/publication.txt
observed d44f93ddf0764af0630911060d78a569...
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.