OpenTechnical

OT-2026-000085956

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, pump fed, sustained blow-off before set-down

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-2026-000085956) never changes.

Identity and time

Publication numberOT-2026-000085956 · never reused
Internal UUID01a0ae99-e82a-72ab-9988-d97c03c97ab6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085956
StatusPUBLIC

Content hashes

Canonical text61ef3f4272c9a97a03cf84ae1456b3e36d1ed6fef73a8e7543b09706759e1cea
Markdown0d9f567f867872a9988fb345db5bb6ce40ceafd9431181267e8e64b5495e23ac
PDF
Publication page457de9ed1f3a8a072a6a915ca1e5577a4aa64f85d6efda68a46cfe515a661aaa
Manifest5690efa38e986b8fca81290bf705f807c8dee5de1bad3c16240a4333e3b3ad24

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
SignatureNhBihOqzM/6E8Gr7So0JKW1SeVfrzPJHGUnQbPpR9yd6eTZyFQGaTWOhEr3b+f2PfOGZkFnkci1G/2Zse4+ECw==
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

2026-09-17T09:52:55.217498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085956
observed 457de9ed1f3a8a072a6a915ca1e5577a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:55.199397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085956/manifest.json
observed 5690efa38e986b8fca81290bf705f807...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:55.181553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085956/publication.md
observed 0d9f567f867872a9988fb345db5bb6ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:55.161478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085956/publication.txt
observed 61ef3f4272c9a97a03cf84ae1456b3e3...
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.