OpenTechnical

OT-2026-000080823

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two 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-2026-000080823) never changes.

Identity and time

Publication numberOT-2026-000080823 · never reused
Internal UUID01a0ae96-b974-7158-8063-9e1760c65405 · 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-2026-000080823
StatusPUBLIC

Content hashes

Canonical textfaa70e93fbe95cdd4284f1dbea10048461d0d64440cc966f21cb06508605022f
Markdown45133740c62bdd5f08104b5589647af7187965309ad4aee30221f93f3a7ab2e4
PDF
Publication page4ee93136e6122b3b2f55787a4b59c0094cd7290cdbd0e1ba6f12c266ac2d33f3
Manifest615e45c15599cb49ed089db7fc2413317ea96ed61955d5534407b9ce8af35b33

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
Signatureq0zjkvTr6VWj8fG2IdcGKgqCi7Xw/NJlBZ8gbou03h7kCc0VNNXn+x8dBQcwPtpOGSI/jR07+XpId1Z0C8/JCQ==
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

2026-09-17T10:02:00.461367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080823
observed 4ee93136e6122b3b2f55787a4b59c009...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:00.443965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080823/manifest.json
observed 615e45c15599cb49ed089db7fc241331...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:00.427298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080823/publication.md
observed 45133740c62bdd5f08104b5589647af7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:00.410603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080823/publication.txt
observed faa70e93fbe95cdd4284f1dbea100484...
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.