OpenTechnical

OT-2026-000080995

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, sustained 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-2026-000080995) never changes.

Identity and time

Publication numberOT-2026-000080995 · never reused
Internal UUID01a0ae96-b975-734d-b190-c056368a754a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080995
StatusPUBLIC

Content hashes

Canonical text1ea2cf23ad7f62da38815222e3d8d1aee10f86e76e9e1cde92d0dafb3c21966b
Markdown1a00a58fc3a9301c36685a05bb496e026ed49774ed8e4845925315daf6260e11
PDF
Publication page14d45c3e29217be837c532e3dcad3354367525f47ba5564e7bf480ba4ba9a9cd
Manifest4e40ea3fa557af23eedd7fbd28838cf9354ac0fe28e7210a032cbda955b2e312

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
SignatureiqdiKDXlaxVSEdPk9kXSJDOggyB0Osg0NugvfwaBBaa27TNycTzmPjD2HlkVlnPa60luTkkBLmV3ccLxiG5HDQ==
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

2026-09-17T10:02:16.827817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080995
observed 14d45c3e29217be837c532e3dcad3354...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:16.810986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080995/manifest.json
observed 4e40ea3fa557af23eedd7fbd28838cf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:16.794735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080995/publication.md
observed 1a00a58fc3a9301c36685a05bb496e02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:16.777454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080995/publication.txt
observed 1ea2cf23ad7f62da38815222e3d8d1ae...
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.