OpenTechnical

OT-2026-000075554

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, vented 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-2026-000075554) never changes.

Identity and time

Publication numberOT-2026-000075554 · never reused
Internal UUID01a0ae94-29fc-7b8b-82d9-0ac4b9b232eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075554
StatusPUBLIC

Content hashes

Canonical text1a61f0f6deb59d8a561ab87f48f0b0049fbed9c0a8495d873e0b3ef08aca8f23
Markdown3e7370f490998d590a4d4fa838d94304a455e350a9d3d48eb01eec36489c8937
PDF
Publication page9c12522dfd9d2f5442a2daacbe63d027caee3e69f2107968bdb24d0884a0cd4b
Manifest8169a55a80f8e899d49f6089da38725786017717f64e9cf541201c64048b189a

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
SignatureJvIHDja0TKEYMKslPOYNuKEsmYMXlsdNR3bbB1LwLBoeYRfbZku9fZT7kQg/9GuaDD4hq8roQeQp0tTwqjj7Dg==
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

2026-09-17T10:13:06.011787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075554
observed 9c12522dfd9d2f5442a2daacbe63d027...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:05.992820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075554/manifest.json
observed 8169a55a80f8e899d49f6089da387257...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:05.972730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075554/publication.md
observed 3e7370f490998d590a4d4fa838d94304...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:05.954519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075554/publication.txt
observed 1a61f0f6deb59d8a561ab87f48f0b004...
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.