OpenTechnical

OT-2026-000099769

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, pressure sensor per zone, sustained 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-2026-000099769) never changes.

Identity and time

Publication numberOT-2026-000099769 · never reused
Internal UUID01a0aea2-c977-7dad-89e0-5e50a3eedb1a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099769
StatusPUBLIC

Content hashes

Canonical text8b00297ff74c23f1dd1c35ca58701c457c722a4d994d125271470cd6e5cfcfa2
Markdown20df4f4e85d98803bca315c383bd2c39a426d9ca5acf430658520ff0330ab242
PDF
Publication pagedf20fd682299fcb801f80c0f5da120a17a5e23d5727302ab9d90d084d85aa47d
Manifestb46fdd86faf951ae14e0b7a419bd2cd0405df29477f1b6a8a1f355799b705c91

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
SignatureLFYa4mNDBTsZTyNCNKLbhRMthRYxxtTNskl3/HIw3HwBWfZfDeR/ROvYw6XaZbDUG1p/XCSkJ+0RgcZkhNLcAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:48.070091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099769
observed df20fd682299fcb801f80c0f5da120a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:48.053229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099769/manifest.json
observed b46fdd86faf951ae14e0b7a419bd2cd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:48.037460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099769/publication.md
observed 20df4f4e85d98803bca315c383bd2c39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:48.018984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099769/publication.txt
observed 8b00297ff74c23f1dd1c35ca58701c45...
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.