OpenTechnical

OT-2026-000103718

Publication integrity record

Foam pad vacuum gripper, two 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-2026-000103718) never changes.

Identity and time

Publication numberOT-2026-000103718 · never reused
Internal UUID01a0aea4-e462-789e-9dc7-34f5487e5c3d · 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-2026-000103718
StatusPUBLIC

Content hashes

Canonical text53f7fd06327f0ebdda69424d6690e3b6af27bdb30b6986239e67201dc28b8bdd
Markdownb694f3a1da313d5abc85973092437e519a03691d7ca3ef67a095e512f72f5d27
PDF
Publication pagef4f7b11a5d38d42d7d174d35a0fe967f270e3b74909ace0979b8366ce4195b3a
Manifest795d8e3c04426f47b3c78f076a13fa2aa02ea68cd45ba5cf6d818fc5ff4b5fbd

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
SignaturepVNwIPzyFDm2IRQGdHNlNzPoikbRMyxeMU76OH9c3SWYhcWYPtOiyl+u+SjKwlxfhy/0mOe6bZmWAqqqKOEdAw==
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

2026-09-17T09:22:31.911301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103718
observed f4f7b11a5d38d42d7d174d35a0fe967f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:31.892355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103718/manifest.json
observed 795d8e3c04426f47b3c78f076a13fa2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:31.875473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103718/publication.md
observed b694f3a1da313d5abc85973092437e51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:31.857071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103718/publication.txt
observed 53f7fd06327f0ebdda69424d6690e3b6...
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.