OpenTechnical

OT-2026-000079594

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000079594) never changes.

Identity and time

Publication numberOT-2026-000079594 · never reused
Internal UUID01a0ae96-0b92-7ea8-a6c1-ae7a46a2e1bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079594
StatusPUBLIC

Content hashes

Canonical text1426acf59e94bc74493868b060df35cd94dc780c5b18cf5d7bc4ebcb1d7b2556
Markdown3757d5c57673aa2020d82cc7e3db061754eff6ba9418f4b4e403b07eccdcc24e
PDF
Publication page758ffd9b54dc65c9d9789c78d52eb37fb06620e45bc8070aae6fc3ff7b9f58db
Manifest846b2cada9b01a10bc1b2bc3925f2f731832553f9ba54bd63c8031b39786db35

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
SignaturekdQ/VVbXRL+3s6KKRQ1qiKe/JfXDkhm6CQK/1QMFQ2YYGw6MkwwUj7frwNgJMzhum6SieM3OjKzj1/U1kOesCg==
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

2026-09-17T10:05:15.164330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079594
observed 758ffd9b54dc65c9d9789c78d52eb37f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:15.143511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079594/manifest.json
observed 846b2cada9b01a10bc1b2bc3925f2f73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:15.122251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079594/publication.md
observed 3757d5c57673aa2020d82cc7e3db0617...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:15.103619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079594/publication.txt
observed 1426acf59e94bc74493868b060df35cd...
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.