OpenTechnical

OT-2026-000078075

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000078075) never changes.

Identity and time

Publication numberOT-2026-000078075 · never reused
Internal UUID01a0ae95-6e8c-7067-b961-212552d5c0b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078075
StatusPUBLIC

Content hashes

Canonical text581a07c38386f67d21644a15e073c8fc9af2e7bd79e5c317b9ab8b4780a4d10c
Markdown4d9298327f2276416a4e4d281cc23abd1b983609d3d2e42f11b4c27b0b03b04c
PDF
Publication pagede9df9070633d7f0927b342ecc1fe655be1bf05995cfaec2919c3a1c2cd3bc42
Manifest79cadee59d4984ee60b940bb64775f4c9cab672fffb00b57f0ea4266083d901b

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
SignatureeIrjZ1l/ZiB1TgxE8jZKIqWm/NTIOa1PNpoIzSojC+9xJ1+CEeNt+GuCp7QIflE0J0u9jf94hM6+olNFvRIqCg==
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

2026-09-17T10:06:46.924107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078075
observed de9df9070633d7f0927b342ecc1fe655...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:46.905462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078075/manifest.json
observed 79cadee59d4984ee60b940bb64775f4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:46.886872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078075/publication.md
observed 4d9298327f2276416a4e4d281cc23abd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:46.868417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078075/publication.txt
observed 581a07c38386f67d21644a15e073c8fc...
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.