OpenTechnical

OT-2026-000080907

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000080907) never changes.

Identity and time

Publication numberOT-2026-000080907 · never reused
Internal UUID01a0ae96-b975-7bf1-9aa1-9c4c03ed72ed · 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-2026-000080907
StatusPUBLIC

Content hashes

Canonical text557f94355512f539ab7794fae042a236055678a52f408bbdf62b9735d746780e
Markdown2a9bea0b7d26576c28a0544c7fd6b29710abd63eaac523b25275bd51108f9317
PDF
Publication page68ca166fc6425b4d70657240da5bdc927ceaead84abadbd6f94e28016c28caef
Manifesta51d011ba19fea88312e7ee05e99c9fa089256cdea9192a5f185b16858cbf63a

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
SignatureyYd4OQWJ+459r/F8ppJSU80QywEIayAg6KGqWrEZs9/1LXZxVyBnRdqqfM/8eneq6qcnHp80wmtykcFylUe0BQ==
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

2026-09-17T10:02:06.603649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080907
observed 68ca166fc6425b4d70657240da5bdc92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:06.586496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080907/manifest.json
observed a51d011ba19fea88312e7ee05e99c9fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:06.567997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080907/publication.md
observed 2a9bea0b7d26576c28a0544c7fd6b297...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:06.549200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080907/publication.txt
observed 557f94355512f539ab7794fae042a236...
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.