OpenTechnical

OT-2026-000082663

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, single 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-2026-000082663) never changes.

Identity and time

Publication numberOT-2026-000082663 · never reused
Internal UUID01a0ae97-8cc8-7b43-851f-3afda3e9d031 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082663
StatusPUBLIC

Content hashes

Canonical textabcfe17dea5b361b9f89b753893d28c833293a8f5ecf0026d407602e5e5c54d0
Markdowneb3239e29a436bb2e5f5905ba4e06629deeef9ad973cf1c9a538cdbafbcc4c84
PDF
Publication page5cfef28e0bce251d6ccfe3f448c3b314d12e9a6bd4ea0d1233531b07b39da12e
Manifest8dec61c06fd3fb52c9120a3eb2fb881878a227118ce4757a83983b7770b81797

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
SignatureJfWzrZueOd0CG93quWONQSD3uFI5aQcCGorxuJHQmM/ly+BVj2hNCQPRvFb3Mls1Rm4qY8HHnsucxhLOG0S/Cw==
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

2026-09-17T09:58:13.734208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082663
observed 5cfef28e0bce251d6ccfe3f448c3b314...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:13.717597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082663/manifest.json
observed 8dec61c06fd3fb52c9120a3eb2fb8818...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:13.701173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082663/publication.md
observed eb3239e29a436bb2e5f5905ba4e06629...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:13.683251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082663/publication.txt
observed abcfe17dea5b361b9f89b753893d28c8...
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.