OpenTechnical

OT-2026-000080939

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, three stage ejector, 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-2026-000080939) never changes.

Identity and time

Publication numberOT-2026-000080939 · never reused
Internal UUID01a0ae96-b975-76c0-8dbd-5ada4218fb18 · 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-2026-000080939
StatusPUBLIC

Content hashes

Canonical text8835965310fa0e76ea8c087448a486b89c09aaafeb261b775f0d3851c17fd80f
Markdown4e8dd945f39a91a19bc14d0682dbb07a35340f6606e985b90c60bc809c33e686
PDF
Publication pageb0a7b06bb257fc58668109b6bc3bb3872565a7841601f046c33767428561699f
Manifestfdd9e67dd439822ad6946d0a0d22c51ae15890563e6b516fbf6239f4be8113fd

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
Signature7WbJhh9npWE3QQSP0RZ5VKn7WoNPuxBvKJ3t1t34EI/mJnN3Lbw5n4kmAA4pvmr2KsI40cgTk+jQbt7xxWbPDw==
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

2026-09-17T10:02:12.806876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080939
observed b0a7b06bb257fc58668109b6bc3bb387...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:12.779811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080939/manifest.json
observed fdd9e67dd439822ad6946d0a0d22c51a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:08.734096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080939/publication.md
observed 4e8dd945f39a91a19bc14d0682dbb07a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:08.715775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080939/publication.txt
observed 8835965310fa0e76ea8c087448a486b8...
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.