OpenTechnical

OT-2026-000079539

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, sustained blow-off 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-2026-000079539) never changes.

Identity and time

Publication numberOT-2026-000079539 · never reused
Internal UUID01a0ae96-0b92-77c9-984d-c0d546837537 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079539
StatusPUBLIC

Content hashes

Canonical text2b28b7781dc64b551cdfbcb65026104928daa943960e7699d892f752a5820c0e
Markdown81eadd9870d00237fd4b4a52dc433114edbd752ad71c18dd8691c0ff0e690035
PDF
Publication page1fd13c054927fd869b0de8fe09dea2f7e4e1e61b844c64234eb45d8261ad3e24
Manifestae3941fb69a67c75ea8018c4b23dccfb1719cfc4a0e1a648aee9c03643111df2

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
SignatureF/WE9o3Ugm7pOwHCyIXqyONdqCvi0/EFtfGpmRaj/Ucot11hPfxh6HQ08NUyumwZ/ZxMWZUb93hp5Ur6BCOfDg==
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

2026-09-17T10:04:08.043862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079539
observed 1fd13c054927fd869b0de8fe09dea2f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:08.025646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079539/manifest.json
observed ae3941fb69a67c75ea8018c4b23dccfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:08.007219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079539/publication.md
observed 81eadd9870d00237fd4b4a52dc433114...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:07.989716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079539/publication.txt
observed 2b28b7781dc64b551cdfbcb650261049...
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.