OpenTechnical

OT-2026-000077945

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000077945) never changes.

Identity and time

Publication numberOT-2026-000077945 · never reused
Internal UUID01a0ae95-2ed1-7299-9b27-dd8ec1bd8c8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077945
StatusPUBLIC

Content hashes

Canonical textb0269f0a934322b0a9cb6a3566a02d51e17a0ec8b78ae312169b1f29bcf3b539
Markdown9df6ab4dac8ecc9a5b4e97691bd09765e97b3af8b7c2e70508f4e22a43407765
PDF
Publication page32345e95fbd45029a7a9ed71e45af2aa759c4de478eca3d48c56b9c5922bb18c
Manifestb18ab3fe0468469e7fd3645aaf2f65951f1d48decbdf511366fd819d633baf09

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
SignatureMO/SeObWwJ/fEgXejI3mH5Hsl8VsWRtT+FNBYCrK2MpxxG6Ch3TYb82/tiGgyleGJbGQYatdoS/YWr9V9Af3Ag==
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

2026-09-17T10:10:16.776695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077945
observed 32345e95fbd45029a7a9ed71e45af2aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:16.758764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077945/manifest.json
observed b18ab3fe0468469e7fd3645aaf2f6595...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:16.739125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077945/publication.md
observed 9df6ab4dac8ecc9a5b4e97691bd09765...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:16.719657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077945/publication.txt
observed b0269f0a934322b0a9cb6a3566a02d51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:13.516383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077945
observed 32345e95fbd45029a7a9ed71e45af2aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:13.497363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077945/manifest.json
observed b18ab3fe0468469e7fd3645aaf2f6595...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:13.477537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077945/publication.md
observed 9df6ab4dac8ecc9a5b4e97691bd09765...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:13.458926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077945/publication.txt
observed b0269f0a934322b0a9cb6a3566a02d51...
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.