OpenTechnical

OT-2026-000086637

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, 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-2026-000086637) never changes.

Identity and time

Publication numberOT-2026-000086637 · never reused
Internal UUID01a0ae9a-2c98-7057-a84a-7023093800e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086637
StatusPUBLIC

Content hashes

Canonical text84e9c88f011023bb1166ee572d3d34ddb6f47026a9dd42a782a6d076f556a175
Markdown5839d474349a22370f673b7d35afe276a92100c4ec5695f7439ab2053d1be658
PDF
Publication page7232d63f04b67351020674f36aeae48904a6fc7e232591a5fb537e5df48658ad
Manifest504704e91c5595e95cbbce39809be0abd9758614cce310cfeb89128557d30901

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
Signaturedro2ODn2UIMgA024ZkXC8fRFVWTPGSBbIaL0XD14b0jjsfYHxn0mjIxI3gYaTgbA5Lc01hTAIW8URBypm3CDDQ==
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

2026-09-17T09:52:29.576204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086637
observed 7232d63f04b67351020674f36aeae489...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:29.557960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086637/manifest.json
observed 504704e91c5595e95cbbce39809be0ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:29.540216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086637/publication.md
observed 5839d474349a22370f673b7d35afe276...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:29.519364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086637/publication.txt
observed 84e9c88f011023bb1166ee572d3d34dd...
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.