OpenTechnical

OT-2026-000103816

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, pulsed blow-off after 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-2026-000103816) never changes.

Identity and time

Publication numberOT-2026-000103816 · never reused
Internal UUID01a0aea4-e463-7c6f-931d-0b65daac04dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103816
StatusPUBLIC

Content hashes

Canonical text126f014e5e560bd0d8ca0b50decea40e1143a47dd47f5f57be83ca68a891f8fa
Markdown1baace75e792ec1e107cfaeda0d01a9ccb8c1e382e3b3743126454cae30c696c
PDF
Publication page1a6165b216f5070b84a62ebe6fc9065b02d29ca1328a5daf48d111395d7bcd6c
Manifest68b136f3d9df66027c4a91c7f75cade3caf76ad86cfb17b1f73e0d2c2a67161e

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
Signaturea4kENaU1FoS9AAk3le5GcTvt4uChDH7aomvUPWGTIEF6SH8MG3x0GhfwTbazqLiQFg6hr76etyhehu5R7xZOAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:46.373732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103816
observed 1a6165b216f5070b84a62ebe6fc9065b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:46.357853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103816/manifest.json
observed 68b136f3d9df66027c4a91c7f75cade3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:46.341402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103816/publication.md
observed 1baace75e792ec1e107cfaeda0d01a9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:46.323616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103816/publication.txt
observed 126f014e5e560bd0d8ca0b50decea40e...
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.