OpenTechnical

OT-2026-000078867

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single 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-2026-000078867) never changes.

Identity and time

Publication numberOT-2026-000078867 · never reused
Internal UUID01a0ae95-ccbd-7aa0-bcb8-1a7a0f842ca6 · 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-2026-000078867
StatusPUBLIC

Content hashes

Canonical textbba3250357b9d8d7cf6a0ae83af2a3f19c477ba453fee3dcf493540c576f454f
Markdown07963b53501b06a2f9023e80b43bd6b539375a616df5de57496be2f123478c42
PDF
Publication page8679c623ea1709d9454690fffccb2dd1aee0fa5cd1e565ec51f9836a4c15894f
Manifestb478b9ae85446350bb9824015269cc49f256d2d2f8afa6f15ecb7de8cd4c17e4

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
Signature2It7XwITtufeqRYtTqQk4z5xDsKRfU/hi2RQVfx5674x1eVC8WTrKbUKV3mjPqJ0cJVf6NoARPz/d3Y/FdogBA==
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

2026-09-17T10:05:40.079320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078867
observed 8679c623ea1709d9454690fffccb2dd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:40.061733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078867/manifest.json
observed b478b9ae85446350bb9824015269cc49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:40.042406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078867/publication.md
observed 07963b53501b06a2f9023e80b43bd6b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:40.022262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078867/publication.txt
observed bba3250357b9d8d7cf6a0ae83af2a3f1...
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.