OpenTechnical

OT-2026-000062443

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, manifold 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-2026-000062443) never changes.

Identity and time

Publication numberOT-2026-000062443 · never reused
Internal UUID01a0ae8c-0ac0-7adc-b3e6-6470bfda785f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062443
StatusPUBLIC

Content hashes

Canonical texteaa360f9f1fdc42f0350a9f6109af1e3541b8653fef95ed275c8a766fab9c62c
Markdownd468b36f7221db36aa548295870531129b2556d2365a9b94ffc226c100676e6e
PDF
Publication paged11fe682f0f39577d1dd1f47ec75674e61ddb7d12e917f9f3067bef3bc587e94
Manifest0f12636c1e69a1c2cce04c0d1b6778422818bcc01f0ddf202755aec8485b16ea

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
SignatureibmATwtY6XHBFAL1crB2Ivv2/IEDuxQ3AYLC2MSAaN1X7DhPVwaMvqyrdsZThXX6c0qTH+atLHsVzfsg5/x1Dg==
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

2026-09-17T10:39:47.168660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062443
observed d11fe682f0f39577d1dd1f47ec75674e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:47.015596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062443/manifest.json
observed 0f12636c1e69a1c2cce04c0d1b677842...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:46.996820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062443/publication.md
observed d468b36f7221db36aa54829587053112...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:46.978351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062443/publication.txt
observed eaa360f9f1fdc42f0350a9f6109af1e3...
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.