OpenTechnical

OT-2026-000071191

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, supply line pressure sensor, pulsed 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-2026-000071191) never changes.

Identity and time

Publication numberOT-2026-000071191 · never reused
Internal UUID01a0ae91-e0eb-7037-9fcb-72e971be55e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071191
StatusPUBLIC

Content hashes

Canonical textbcf4c2e160a9ad6969bf973efdb8af55135c1f46ffe013502bebbe61bf537245
Markdownfcbf5373132345c29940705079cec415efe24d25b5cad8e82f985ce227e3be8b
PDF
Publication pageb6f85117bbb795ba83b662cd7996321c05a0c5926f28adb6a0eaf0ffad28953b
Manifest8a19b2224ed96469a97fc62d6ccb422d05fde219532dcc3fe75b2682aeade5ee

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
SignaturelOMP+SndkfWvpcOJkZ9t3VfvDyuNsHh4oE+q79L+wqe2gZKaUIeyKGGOOOlZYFT4nRvH7n8uYBQ4dr/oSVg/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

2026-09-17T10:24:42.527597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071191
observed b6f85117bbb795ba83b662cd7996321c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:42.506061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071191/manifest.json
observed 8a19b2224ed96469a97fc62d6ccb422d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:42.442942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071191/publication.md
observed fcbf5373132345c29940705079cec415...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:42.378464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071191/publication.txt
observed bcf4c2e160a9ad6969bf973efdb8af55...
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.