OpenTechnical

OT-2026-000078983

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000078983) never changes.

Identity and time

Publication numberOT-2026-000078983 · never reused
Internal UUID01a0ae95-ccbe-7d53-b785-d8590b57de53 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078983
StatusPUBLIC

Content hashes

Canonical textf7576f7155f6ea9ec70bdcc8bedaf39d6998ede10b1dd1be9cec0233254aba2e
Markdown1319a2a9552050a7137393c1d9c9aac59fa5a8dc0d5c724344c0b9c9990a4ca0
PDF
Publication pageba22d1ab95dca468deb684b179abf148462f89f7334a8fe378f7ddc262506a61
Manifest406842e7af951897ab8e54a2290b371a5a6e018e469eb15e0948a17fdca9de14

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
SignatureJxy6Dr+2v0rbtBI6xaYJ0mYrh8R/VxJLeUpNTgb42CNB4LcqVpQfM2Y8bOYlLQs5pW+JtkU3CkxC4EftBpI7Ag==
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

2026-09-17T10:05:48.654399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078983
observed ba22d1ab95dca468deb684b179abf148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:48.635390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078983/manifest.json
observed 406842e7af951897ab8e54a2290b371a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:48.618493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078983/publication.md
observed 1319a2a9552050a7137393c1d9c9aac5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:48.600884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078983/publication.txt
observed f7576f7155f6ea9ec70bdcc8bedaf39d...
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.